397047352 has 64 divisors (see below), whose sum is σ = 847324800. Its totient is φ = 173107200.

The previous prime is 397047341. The next prime is 397047373. The reversal of 397047352 is 253740793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140352 + ... + 143152.

It is an arithmetic number, because the mean of its divisors is an integer number (13239450).

Almost surely, 2^397047352 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 397047352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423662400).

397047352 is an abundant number, since it is smaller than the sum of its proper divisors (450277448).

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

397047352 is a wasteful number, since it uses less digits than its factorization.

397047352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 397047352 is about 19926.0470741188. The cubic root of 397047352 is about 734.9888791567.

The spelling of 397047352 in words is "three hundred ninety-seven million, forty-seven thousand, three hundred fifty-two".