397000772 has 12 divisors (see below), whose sum is σ = 794001600. Its totient is φ = 170143176.

The previous prime is 397000771. The next prime is 397000777. The reversal of 397000772 is 277000793.

397000772 is an admirable number.

It is a super-2 number, since 2×397000772² = 315219225937191968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (397000771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7089272 + ... + 7089327.

It is an arithmetic number, because the mean of its divisors is an integer number (66166800).

Almost surely, 2^397000772 is an apocalyptic number.

It is an amenable number.

397000772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

397000772 is a wasteful number, since it uses less digits than its factorization.

397000772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14178610 (or 14178608 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 397000772 is about 19924.8782179465. The cubic root of 397000772 is about 734.9601360520.

The spelling of 397000772 in words is "three hundred ninety-seven million, seven hundred seventy-two", and thus it is an aban number.