836397912 has 32 divisors (see below), whose sum is σ = 2389708800. Its totient is φ = 238970784.

The previous prime is 836397893. The next prime is 836397931. The reversal of 836397912 is 219793638.

It is an interprime number because it is at equal distance from previous prime (836397893) and next prime (836397931).

It is a super-2 number, since 2×836397912² = 1399122934395919488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2489112 + ... + 2489447.

It is an arithmetic number, because the mean of its divisors is an integer number (74678400).

Almost surely, 2^836397912 is an apocalyptic number.

It is an amenable number.

836397912 is an abundant number, since it is smaller than the sum of its proper divisors (1553310888).

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

836397912 is a wasteful number, since it uses less digits than its factorization.

836397912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978575 (or 4978571 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 836397912 is about 28920.5448081463. The cubic root of 836397912 is about 942.1881692786.

The spelling of 836397912 in words is "eight hundred thirty-six million, three hundred ninety-seven thousand, nine hundred twelve".