397064001 has 16 divisors (see below), whose sum is σ = 535677120. Its totient is φ = 261593280.

The previous prime is 397063981. The next prime is 397064011. The reversal of 397064001 is 100460793.

It is a happy number.

It is not a de Polignac number, because 397064001 - 2⁶ = 397063937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 397064001.

It is not an unprimeable number, because it can be changed into a prime (397064011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143491 + ... + 146231.

It is an arithmetic number, because the mean of its divisors is an integer number (33479820).

Almost surely, 2^397064001 is an apocalyptic number.

It is an amenable number.

397064001 is a deficient number, since it is larger than the sum of its proper divisors (138613119).

397064001 is a wasteful number, since it uses less digits than its factorization.

397064001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 397064001 is about 19926.4648395043. The cubic root of 397064001 is about 734.9991522041. Note that the first 3 decimals are identical.

The spelling of 397064001 in words is "three hundred ninety-seven million, sixty-four thousand, one".