396226836 has 48 divisors (see below), whose sum is σ = 1081326400. Its totient is φ = 125123616.

The previous prime is 396226823. The next prime is 396226891. The reversal of 396226836 is 638622693.

396226836 is a `hidden beast` number, since 396 + 226 + 8 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 396226791 and 396226800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94495 + ... + 98598.

Almost surely, 2^396226836 is an apocalyptic number.

396226836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

396226836 is an abundant number, since it is smaller than the sum of its proper divisors (685099564).

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

396226836 is a wasteful number, since it uses less digits than its factorization.

396226836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193125 (or 193117 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 396226836 is about 19905.4473951228. The cubic root of 396226836 is about 734.4822342662.

The spelling of 396226836 in words is "three hundred ninety-six million, two hundred twenty-six thousand, eight hundred thirty-six".