397070032 has 10 divisors (see below), whose sum is σ = 769323218. Its totient is φ = 198535008.

The previous prime is 397070027. The next prime is 397070033. The reversal of 397070032 is 230070793.

It can be written as a sum of positive squares in only one way, i.e., 226924096 + 170145936 = 15064^2 + 13044^2 .

It is a super-2 number, since 2×397070032² = 315329220624962048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 397069976 and 397070003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397070033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12408423 + ... + 12408454.

Almost surely, 2^397070032 is an apocalyptic number.

It is an amenable number.

397070032 is a deficient number, since it is larger than the sum of its proper divisors (372253186).

397070032 is a wasteful number, since it uses less digits than its factorization.

397070032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24816885 (or 24816879 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 397070032 is about 19926.6161703386. The cubic root of 397070032 is about 735.0028734828.

The spelling of 397070032 in words is "three hundred ninety-seven million, seventy thousand, thirty-two".