397330870 has 16 divisors (see below), whose sum is σ = 716292720. Its totient is φ = 158688544.

The previous prime is 397330859. The next prime is 397330873. The reversal of 397330870 is 78033793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397330873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23557 + ... + 36736.

It is an arithmetic number, because the mean of its divisors is an integer number (44768295).

Almost surely, 2^397330870 is an apocalyptic number.

397330870 is a deficient number, since it is larger than the sum of its proper divisors (318961850).

397330870 is a wasteful number, since it uses less digits than its factorization.

397330870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60959.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 397330870 is about 19933.1600605624. The cubic root of 397330870 is about 735.1637810469.

It can be divided in two parts, 3973 and 30870, that added together give a palindrome (34843).

The spelling of 397330870 in words is "three hundred ninety-seven million, three hundred thirty thousand, eight hundred seventy".