397241600 has 108 divisors (see below), whose sum is σ = 1123823904. Its totient is φ = 136181760.

The previous prime is 397241591. The next prime is 397241617. The reversal of 397241600 is 6142793.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40367 + ... + 49233.

Almost surely, 2^397241600 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 397241600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561911952).

397241600 is an abundant number, since it is smaller than the sum of its proper divisors (726582304).

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

397241600 is an equidigital number, since it uses as much as digits as its factorization.

397241600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8900 (or 8881 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 397241600 is about 19930.9207012621. The cubic root of 397241600 is about 735.1087194754.

The spelling of 397241600 in words is "three hundred ninety-seven million, two hundred forty-one thousand, six hundred".