397153200 has 120 divisors (see below), whose sum is σ = 1339249600. Its totient is φ = 100327680.

The previous prime is 397153193. The next prime is 397153261. The reversal of 397153200 is 2351793.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14091 + ... + 31509.

Almost surely, 2^397153200 is an apocalyptic number.

397153200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397153200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669624800).

397153200 is an abundant number, since it is smaller than the sum of its proper divisors (942096400).

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

397153200 is a wasteful number, since it uses less digits than its factorization.

397153200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17459 (or 17448 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 397153200 is about 19928.7029181530. The cubic root of 397153200 is about 735.0541863888.

The spelling of 397153200 in words is "three hundred ninety-seven million, one hundred fifty-three thousand, two hundred".