2456780 has 12 divisors (see below), whose sum is σ = 5159280. Its totient is φ = 982704.

The previous prime is 2456767. The next prime is 2456801. The reversal of 2456780 is 876542.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61400 + ... + 61439.

It is an arithmetic number, because the mean of its divisors is an integer number (429940).

2^2456780 is an apocalyptic number.

2456780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2456780 is an abundant number, since it is smaller than the sum of its proper divisors (2702500).

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

2456780 is a wasteful number, since it uses less digits than its factorization.

2456780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122848 (or 122846 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2456780 is about 1567.4118795007. The cubic root of 2456780 is about 134.9342157773.

The spelling of 2456780 in words is "two million, four hundred fifty-six thousand, seven hundred eighty".