397300716 has 72 divisors (see below), whose sum is σ = 1060732400. Its totient is φ = 125385408.

The previous prime is 397300691. The next prime is 397300733. The reversal of 397300716 is 617003793.

It is a super-2 number, since 2×397300716² = 315695717868225312, which contains 22 as substring.

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

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, 246120 + ... + 247728.

Almost surely, 2^397300716 is an apocalyptic number.

397300716 is a gapful number since it is divisible by the number (36) 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 397300716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530366200).

397300716 is an abundant number, since it is smaller than the sum of its proper divisors (663431684).

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

397300716 is a wasteful number, since it uses less digits than its factorization.

397300716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 397300716 is about 19932.4036683989. The cubic root of 397300716 is about 735.1451830377.

The spelling of 397300716 in words is "three hundred ninety-seven million, three hundred thousand, seven hundred sixteen".