396998074 has 32 divisors (see below), whose sum is σ = 659197440. Its totient is φ = 177816000.

The previous prime is 396998071. The next prime is 396998087. The reversal of 396998074 is 470899693.

It is not an unprimeable number, because it can be changed into a prime (396998071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828567 + ... + 829045.

It is an arithmetic number, because the mean of its divisors is an integer number (20599920).

Almost surely, 2^396998074 is an apocalyptic number.

396998074 is a deficient number, since it is larger than the sum of its proper divisors (262199366).

396998074 is a wasteful number, since it uses less digits than its factorization.

396998074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 396998074 is about 19924.8105135281. The cubic root of 396998074 is about 734.9584711291.

The spelling of 396998074 in words is "three hundred ninety-six million, nine hundred ninety-eight thousand, seventy-four".