397086998 has 32 divisors (see below), whose sum is σ = 766568448. Its totient is φ = 149716800.

The previous prime is 397086961. The next prime is 397087013. The reversal of 397086998 is 899680793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36815 + ... + 46362.

It is an arithmetic number, because the mean of its divisors is an integer number (23955264).

Almost surely, 2^397086998 is an apocalyptic number.

397086998 is a deficient number, since it is larger than the sum of its proper divisors (369481450).

397086998 is a wasteful number, since it uses less digits than its factorization.

397086998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83228.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 397086998 is about 19927.0418778102. The cubic root of 397086998 is about 735.0133417295.

The spelling of 397086998 in words is "three hundred ninety-seven million, eighty-six thousand, nine hundred ninety-eight".