2420000 has 90 divisors (see below), whose sum is σ = 6543999. Its totient is φ = 880000.

The previous prime is 2419993. The next prime is 2420009. The reversal of 2420000 is 242.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 559504 + 1860496 = 748^2 + 1364^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1100.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2420000.

It is not an unprimeable number, because it can be changed into a prime (2420009) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 219995 + ... + 220005.

2^2420000 is an apocalyptic number.

2420000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2420000

2420000 is an abundant number, since it is smaller than the sum of its proper divisors (4123999).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2420000 is an equidigital number, since it uses as much as digits as its factorization.

2420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2420000 is about 1555.6349186104. The cubic root of 2420000 is about 134.2574688917.

Adding to 2420000 its reverse (242), we get a palindrome (2420242).

Multiplying 2420000 by its reverse (242), we get a square (585640000 = 24200²).

2420000 divided by its reverse (242) gives a 4-th power (10000 = 10⁴).

The spelling of 2420000 in words is "two million, four hundred twenty thousand".