2856396 has 24 divisors (see below), whose sum is σ = 6732544. Its totient is φ = 942480.

The previous prime is 2856379. The next prime is 2856397. The reversal of 2856396 is 6936582.

It is not an unprimeable number, because it can be changed into a prime (2856397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81 + ... + 2391.

2^2856396 is an apocalyptic number.

It is an amenable number.

2856396 is an abundant number, since it is smaller than the sum of its proper divisors (3876148).

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

2856396 is a wasteful number, since it uses less digits than its factorization.

2856396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2419 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 2856396 is about 1690.0875716956. The cubic root of 2856396 is about 141.8859760441.

The spelling of 2856396 in words is "two million, eight hundred fifty-six thousand, three hundred ninety-six".