397102995 has 12 divisors (see below), whose sum is σ = 688311936. Its totient is φ = 211788240.

The previous prime is 397102987. The next prime is 397102997. The reversal of 397102995 is 599201793.

It is a happy number.

It is not a de Polignac number, because 397102995 - 2³ = 397102987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 8824511 = 397102995 / (3 + 9 + 7 + 1 + 0 + 2 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 397102995.

It is not an unprimeable number, because it can be changed into a prime (397102997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4412211 + ... + 4412300.

It is an arithmetic number, because the mean of its divisors is an integer number (57359328).

Almost surely, 2^397102995 is an apocalyptic number.

397102995 is a deficient number, since it is larger than the sum of its proper divisors (291208941).

397102995 is a wasteful number, since it uses less digits than its factorization.

397102995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824522 (or 8824519 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 397102995 is about 19927.4432629979. The cubic root of 397102995 is about 735.0232118173.

The spelling of 397102995 in words is "three hundred ninety-seven million, one hundred two thousand, nine hundred ninety-five".