396117836 has 6 divisors (see below), whose sum is σ = 693206220. Its totient is φ = 198058916.

The previous prime is 396117817. The next prime is 396117853. The reversal of 396117836 is 638711693.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49514726 + ... + 49514733.

It is an arithmetic number, because the mean of its divisors is an integer number (115534370).

Almost surely, 2^396117836 is an apocalyptic number.

It is an amenable number.

396117836 is a deficient number, since it is larger than the sum of its proper divisors (297088384).

396117836 is a wasteful number, since it uses less digits than its factorization.

396117836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99029463 (or 99029461 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 396117836 is about 19902.7092628114. The cubic root of 396117836 is about 734.4148773058.

The spelling of 396117836 in words is "three hundred ninety-six million, one hundred seventeen thousand, eight hundred thirty-six".