397628038 has 8 divisors (see below), whose sum is σ = 596614320. Its totient is φ = 198756600.

The previous prime is 397628027. The next prime is 397628047. The reversal of 397628038 is 830826793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19458 + ... + 34261.

It is an arithmetic number, because the mean of its divisors is an integer number (74576790).

Almost surely, 2^397628038 is an apocalyptic number.

397628038 is a deficient number, since it is larger than the sum of its proper divisors (198986282).

397628038 is a wasteful number, since it uses less digits than its factorization.

397628038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57422.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 397628038 is about 19940.6127789494. The cubic root of 397628038 is about 735.3470143209.

The spelling of 397628038 in words is "three hundred ninety-seven million, six hundred twenty-eight thousand, thirty-eight".