396812236 has 12 divisors (see below), whose sum is σ = 696685528. Its totient is φ = 197759232.

The previous prime is 396812233. The next prime is 396812239. The reversal of 396812236 is 632218693.

It is an interprime number because it is at equal distance from previous prime (396812233) and next prime (396812239).

It is not an unprimeable number, because it can be changed into a prime (396812233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160341 + ... + 162796.

Almost surely, 2^396812236 is an apocalyptic number.

It is an amenable number.

396812236 is a deficient number, since it is larger than the sum of its proper divisors (299873292).

396812236 is a wasteful number, since it uses less digits than its factorization.

396812236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323448 (or 323446 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 396812236 is about 19920.1464854052. The cubic root of 396812236 is about 734.8437732345.

The spelling of 396812236 in words is "three hundred ninety-six million, eight hundred twelve thousand, two hundred thirty-six".