397055804 has 12 divisors (see below), whose sum is σ = 696455424. Its totient is φ = 198068544.

The previous prime is 397055803. The next prime is 397055809. The reversal of 397055804 is 408550793.

It is a super-2 number, since 2×397055804² = 315306622980172832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397055803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112892 + ... + 116355.

It is an arithmetic number, because the mean of its divisors is an integer number (58037952).

Almost surely, 2^397055804 is an apocalyptic number.

It is an amenable number.

397055804 is a deficient number, since it is larger than the sum of its proper divisors (299399620).

397055804 is a wasteful number, since it uses less digits than its factorization.

397055804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229684 (or 229682 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 397055804 is about 19926.2591572026. The cubic root of 397055804 is about 734.9940943885.

The spelling of 397055804 in words is "three hundred ninety-seven million, fifty-five thousand, eight hundred four".