397616376 has 32 divisors (see below), whose sum is σ = 996878160. Its totient is φ = 132160512.

The previous prime is 397616339. The next prime is 397616389. The reversal of 397616376 is 673616793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14995 + ... + 31938.

Almost surely, 2^397616376 is an apocalyptic number.

It is an amenable number.

397616376 is an abundant number, since it is smaller than the sum of its proper divisors (599261784).

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

397616376 is a wasteful number, since it uses less digits than its factorization.

397616376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47295 (or 47291 counting only the distinct ones).

The product of its digits is 857304, while the sum is 48.

The square root of 397616376 is about 19940.3203585098. The cubic root of 397616376 is about 735.3398252732.

The spelling of 397616376 in words is "three hundred ninety-seven million, six hundred sixteen thousand, three hundred seventy-six".