397160144 has 10 divisors (see below), whose sum is σ = 769497810. Its totient is φ = 198580064.

The previous prime is 397160143. The next prime is 397160147. The reversal of 397160144 is 441061793.

It can be written as a sum of positive squares in only one way, i.e., 396487744 + 672400 = 19912^2 + 820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397160143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12411239 + ... + 12411270.

It is an arithmetic number, because the mean of its divisors is an integer number (76949781).

Almost surely, 2^397160144 is an apocalyptic number.

It is an amenable number.

397160144 is a deficient number, since it is larger than the sum of its proper divisors (372337666).

397160144 is a wasteful number, since it uses less digits than its factorization.

397160144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24822517 (or 24822511 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 397160144 is about 19928.8771384642. The cubic root of 397160144 is about 735.0584703666.

The spelling of 397160144 in words is "three hundred ninety-seven million, one hundred sixty thousand, one hundred forty-four".