397334976400 has 30 divisors (see below), whose sum is σ = 954597281762. Its totient is φ = 158933990400.

The previous prime is 397334976371. The next prime is 397334976419. The reversal of 397334976400 is 4679433793.

It can be written as a sum of positive squares in 3 ways, for example, as 2669582224 + 394665394176 = 51668^2 + 628224^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 496668321 + ... + 496669120.

Almost surely, 2^397334976400 is an apocalyptic number.

It is an amenable number.

397334976400 is an abundant number, since it is smaller than the sum of its proper divisors (557262305362).

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

397334976400 is a wasteful number, since it uses less digits than its factorization.

397334976400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993337459 (or 993337448 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 55.

The spelling of 397334976400 in words is "three hundred ninety-seven billion, three hundred thirty-four million, nine hundred seventy-six thousand, four hundred".