396236818 has 8 divisors (see below), whose sum is σ = 594477360. Its totient is φ = 198077700.

The previous prime is 396236807. The next prime is 396236821. The reversal of 396236818 is 818632693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6228 + ... + 28831.

It is an arithmetic number, because the mean of its divisors is an integer number (74309670).

Almost surely, 2^396236818 is an apocalyptic number.

396236818 is a deficient number, since it is larger than the sum of its proper divisors (198240542).

396236818 is a wasteful number, since it uses less digits than its factorization.

396236818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40712.

The product of its digits is 373248, while the sum is 46.

The square root of 396236818 is about 19905.6981289278. The cubic root of 396236818 is about 734.4884020632.

The spelling of 396236818 in words is "three hundred ninety-six million, two hundred thirty-six thousand, eight hundred eighteen".