397037716 has 12 divisors (see below), whose sum is σ = 696632832. Its totient is φ = 197999768.

The previous prime is 397037701. The next prime is 397037743. The reversal of 397037716 is 617730793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128050 + ... + 131113.

It is an arithmetic number, because the mean of its divisors is an integer number (58052736).

Almost surely, 2^397037716 is an apocalyptic number.

It is an amenable number.

397037716 is a deficient number, since it is larger than the sum of its proper divisors (299595116).

397037716 is a wasteful number, since it uses less digits than its factorization.

397037716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259550 (or 259548 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 43.

The square root of 397037716 is about 19925.8052785828. The cubic root of 397037716 is about 734.9829332579.

The spelling of 397037716 in words is "three hundred ninety-seven million, thirty-seven thousand, seven hundred sixteen".