397495200 has 288 divisors, whose sum is σ = 1424908800. Its totient is φ = 95800320.

The previous prime is 397495193. The next prime is 397495201. The reversal of 397495200 is 2594793.

It is not an unprimeable number, because it can be changed into a prime (397495201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1048611 + ... + 1048989.

It is an arithmetic number, because the mean of its divisors is an integer number (4947600).

Almost surely, 2^397495200 is an apocalyptic number.

397495200 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 397495200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712454400).

397495200 is an abundant number, since it is smaller than the sum of its proper divisors (1027413600).

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

397495200 is a wasteful number, since it uses less digits than its factorization.

397495200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 397495200 is about 19937.2816602465. The cubic root of 397495200 is about 735.2651179276.

The spelling of 397495200 in words is "three hundred ninety-seven million, four hundred ninety-five thousand, two hundred".