2420992 has 54 divisors (see below), whose sum is σ = 5650638. Its totient is φ = 1032192.

The previous prime is 2420989. The next prime is 2420993. The reversal of 2420992 is 2990242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1806336 + 614656 = 1344^2 + 784^2 .

It is a super-2 number, since 2×2420992² = 11722404528128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2420992.

It is not an unprimeable number, because it can be changed into a prime (2420993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12448 + ... + 12640.

2^2420992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2420992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2825319).

2420992 is an abundant number, since it is smaller than the sum of its proper divisors (3229646).

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

2420992 is an equidigital number, since it uses as much as digits as its factorization.

2420992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2420992 is about 1555.9537268184. The cubic root of 2420992 is about 134.2758112079.

The spelling of 2420992 in words is "two million, four hundred twenty thousand, nine hundred ninety-two".