2456864 has 12 divisors (see below), whose sum is σ = 4837014. Its totient is φ = 1228416.

The previous prime is 2456849. The next prime is 2456869. The reversal of 2456864 is 4686542.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 85264 = 1540^2 + 292^2 .

It is not an unprimeable number, because it can be changed into a prime (2456869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38357 + ... + 38420.

2^2456864 is an apocalyptic number.

It is an amenable number.

2456864 is a deficient number, since it is larger than the sum of its proper divisors (2380150).

2456864 is an equidigital number, since it uses as much as digits as its factorization.

2456864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76787 (or 76779 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 2456864 is about 1567.4386750364. The cubic root of 2456864 is about 134.9357536093.

The spelling of 2456864 in words is "two million, four hundred fifty-six thousand, eight hundred sixty-four".