397702032 has 120 divisors (see below), whose sum is σ = 1287167616. Its totient is φ = 104880384.

The previous prime is 397702013. The next prime is 397702033. The reversal of 397702032 is 230207793.

It is a junction number, because it is equal to n+sod(n) for n = 397701984 and 397702002.

It is not an unprimeable number, because it can be changed into a prime (397702033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24073 + ... + 37079.

Almost surely, 2^397702032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397702032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643583808).

397702032 is an abundant number, since it is smaller than the sum of its proper divisors (889465584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397702032 is a wasteful number, since it uses less digits than its factorization.

397702032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13045 (or 13032 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 397702032 is about 19942.4680518736. The cubic root of 397702032 is about 735.3926246962.

The spelling of 397702032 in words is "three hundred ninety-seven million, seven hundred two thousand, thirty-two".