397130932 has 24 divisors (see below), whose sum is σ = 798063840. Its totient is φ = 171012960.

The previous prime is 397130917. The next prime is 397130933. The reversal of 397130932 is 239031793.

It is a junction number, because it is equal to n+sod(n) for n = 397130891 and 397130900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397130933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236683 + ... + 238354.

It is an arithmetic number, because the mean of its divisors is an integer number (33252660).

Almost surely, 2^397130932 is an apocalyptic number.

It is an amenable number.

397130932 is an abundant number, since it is smaller than the sum of its proper divisors (400932908).

397130932 is a wasteful number, since it uses less digits than its factorization.

397130932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475071 (or 475069 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 397130932 is about 19928.1442186672. The cubic root of 397130932 is about 735.0404482036.

The spelling of 397130932 in words is "three hundred ninety-seven million, one hundred thirty thousand, nine hundred thirty-two".