806936256 has 280 divisors, whose sum is σ = 2812283936. Its totient is φ = 223948800.

The previous prime is 806936149. The next prime is 806936267. The reversal of 806936256 is 652639608.

It is a happy number.

It is a super-2 number, since 2×806936256² = 1302292242494595072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1342356 + ... + 1342956.

Almost surely, 2^806936256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806936256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406141968).

806936256 is an abundant number, since it is smaller than the sum of its proper divisors (2005347680).

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

806936256 is a wasteful number, since it uses less digits than its factorization.

806936256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 806936256 is about 28406.6234529907. The cubic root of 806936256 is about 930.9929872489.

The spelling of 806936256 in words is "eight hundred six million, nine hundred thirty-six thousand, two hundred fifty-six".