397075038 has 16 divisors (see below), whose sum is σ = 795016080. Its totient is φ = 132214016.

The previous prime is 397074913. The next prime is 397075039. The reversal of 397075038 is 830570793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397075039) 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 7 ways as a sum of consecutive naturals, for example, 30045 + ... + 41192.

It is an arithmetic number, because the mean of its divisors is an integer number (49688505).

Almost surely, 2^397075038 is an apocalyptic number.

397075038 is an abundant number, since it is smaller than the sum of its proper divisors (397941042).

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

397075038 is a wasteful number, since it uses less digits than its factorization.

397075038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72171.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 397075038 is about 19926.7417808331. The cubic root of 397075038 is about 735.0059622821.

The spelling of 397075038 in words is "three hundred ninety-seven million, seventy-five thousand, thirty-eight".