397000002 has 32 divisors (see below), whose sum is σ = 908694144. Its totient is φ = 113270400.

The previous prime is 396999971. The next prime is 397000049. The reversal of 397000002 is 200000793.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25752 + ... + 38172.

It is an arithmetic number, because the mean of its divisors is an integer number (28396692).

Almost surely, 2^397000002 is an apocalyptic number.

397000002 is an abundant number, since it is smaller than the sum of its proper divisors (511694142).

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

397000002 is a wasteful number, since it uses less digits than its factorization.

397000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 397000002 is about 19924.8588953598. The cubic root of 397000002 is about 734.9596608894.

Adding to 397000002 its reverse (200000793), we get a palindrome (597000795).

The spelling of 397000002 in words is "three hundred ninety-seven million, two", and thus it is an aban number.