397670974 has 8 divisors (see below), whose sum is σ = 606616920. Its totient is φ = 195465336.

The previous prime is 397670971. The next prime is 397670983. The reversal of 397670974 is 479076793.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397670971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684929 + ... + 1685164.

It is an arithmetic number, because the mean of its divisors is an integer number (75827115).

Almost surely, 2^397670974 is an apocalyptic number.

397670974 is a deficient number, since it is larger than the sum of its proper divisors (208945946).

397670974 is a wasteful number, since it uses less digits than its factorization.

397670974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370154.

The product of its (nonzero) digits is 2000376, while the sum is 52.

The square root of 397670974 is about 19941.6893466928. The cubic root of 397670974 is about 735.3734810352.

The spelling of 397670974 in words is "three hundred ninety-seven million, six hundred seventy thousand, nine hundred seventy-four".