397372963 has 4 divisors (see below), whose sum is σ = 427940128. Its totient is φ = 366805800.

The previous prime is 397372961. The next prime is 397372979. The reversal of 397372963 is 369273793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 397372963 - 2¹ = 397372961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397372961) 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, 15283563 + ... + 15283588.

It is an arithmetic number, because the mean of its divisors is an integer number (106985032).

Almost surely, 2^397372963 is an apocalyptic number.

397372963 is a deficient number, since it is larger than the sum of its proper divisors (30567165).

397372963 is a wasteful number, since it uses less digits than its factorization.

397372963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30567164.

The product of its digits is 1285956, while the sum is 49.

The square root of 397372963 is about 19934.2158862595. The cubic root of 397372963 is about 735.1897410705.

The spelling of 397372963 in words is "three hundred ninety-seven million, three hundred seventy-two thousand, nine hundred sixty-three".