397673974 has 8 divisors (see below), whose sum is σ = 596598408. Its totient is φ = 198807840.

The previous prime is 397673963. The next prime is 397673977. The reversal of 397673974 is 479376793.

It is a happy number.

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 (397673977) 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, 12654 + ... + 30910.

It is an arithmetic number, because the mean of its divisors is an integer number (74574801).

Almost surely, 2^397673974 is an apocalyptic number.

397673974 is a deficient number, since it is larger than the sum of its proper divisors (198924434).

397673974 is a wasteful number, since it uses less digits than its factorization.

397673974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29150.

The product of its digits is 6001128, while the sum is 55.

The square root of 397673974 is about 19941.7645658552. The cubic root of 397673974 is about 735.3753302313.

The spelling of 397673974 in words is "three hundred ninety-seven million, six hundred seventy-three thousand, nine hundred seventy-four".