397007793 has 96 divisors (see below), whose sum is σ = 767836160. Its totient is φ = 191756160.

The previous prime is 397007773. The next prime is 397007803. The reversal of 397007793 is 397700793.

It is not a de Polignac number, because 397007793 - 2⁸ = 397007537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397007713) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 481980 + ... + 482802.

Almost surely, 2^397007793 is an apocalyptic number.

It is an amenable number.

397007793 is a deficient number, since it is larger than the sum of its proper divisors (370828367).

397007793 is a wasteful number, since it uses less digits than its factorization.

397007793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 250047, while the sum is 45.

The square root of 397007793 is about 19925.0544039408. The cubic root of 397007793 is about 734.9644686419.

The spelling of 397007793 in words is "three hundred ninety-seven million, seven thousand, seven hundred ninety-three".