397503360 has 96 divisors (see below), whose sum is σ = 1372648680. Its totient is φ = 105999360.

The previous prime is 397503349. The next prime is 397503361. The reversal of 397503360 is 63305793.

397503360 is a `hidden beast` number, since 3 + 97 + 503 + 3 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×397503360² = 316017842422579200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397503361) 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, 28746 + ... + 40265.

Almost surely, 2^397503360 is an apocalyptic number.

397503360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

397503360 is an abundant number, since it is smaller than the sum of its proper divisors (975145320).

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

397503360 is a wasteful number, since it uses less digits than its factorization.

397503360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69036 (or 69021 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 36.

The square root of 397503360 is about 19937.4863009357. The cubic root of 397503360 is about 735.2701492021.

The spelling of 397503360 in words is "three hundred ninety-seven million, five hundred three thousand, three hundred sixty".