2378256 has 20 divisors (see below), whose sum is σ = 6143952. Its totient is φ = 792736.

The previous prime is 2378237. The next prime is 2378263. The reversal of 2378256 is 6528732.

It is a super-2 number, since 2×2378256² = 11312203203072, which contains 22 as substring.

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, 24726 + ... + 24821.

2^2378256 is an apocalyptic number.

It is an amenable number.

2378256 is an abundant number, since it is smaller than the sum of its proper divisors (3765696).

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

2378256 is a wasteful number, since it uses less digits than its factorization.

2378256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49558 (or 49552 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 2378256 is about 1542.1595248223. The cubic root of 2378256 is about 133.4810252318.

The spelling of 2378256 in words is "two million, three hundred seventy-eight thousand, two hundred fifty-six".