2420460 has 144 divisors (see below), whose sum is σ = 8963136. Its totient is φ = 516096.

The previous prime is 2420459. The next prime is 2420471. The reversal of 2420460 is 640242.

2420460 = 60² + 61² + ... + 195².

2420460 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2420460² = 11717253223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21364 + ... + 21476.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^2420460 is an apocalyptic number.

2420460 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 2420460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481568).

2420460 is an abundant number, since it is smaller than the sum of its proper divisors (6542676).

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

2420460 is a wasteful number, since it uses less digits than its factorization.

2420460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2420460 is about 1555.7827611849. The cubic root of 2420460 is about 134.2659750244.

The spelling of 2420460 in words is "two million, four hundred twenty thousand, four hundred sixty".