396494216 has 16 divisors (see below), whose sum is σ = 767408640. Its totient is φ = 191851920.

The previous prime is 396494207. The next prime is 396494227. The reversal of 396494216 is 612494693.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799136 + ... + 799631.

It is an arithmetic number, because the mean of its divisors is an integer number (47963040).

Almost surely, 2^396494216 is an apocalyptic number.

It is an amenable number.

396494216 is a deficient number, since it is larger than the sum of its proper divisors (370914424).

396494216 is a wasteful number, since it uses less digits than its factorization.

396494216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598804 (or 1598800 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 396494216 is about 19912.1625144031. The cubic root of 396494216 is about 734.6474104429.

The spelling of 396494216 in words is "three hundred ninety-six million, four hundred ninety-four thousand, two hundred sixteen".