397161294 has 32 divisors (see below), whose sum is σ = 837168000. Its totient is φ = 125263584.

The previous prime is 397161269. The next prime is 397161299. The reversal of 397161294 is 492161793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397161299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120237 + ... + 123495.

It is an arithmetic number, because the mean of its divisors is an integer number (26161500).

Almost surely, 2^397161294 is an apocalyptic number.

397161294 is an abundant number, since it is smaller than the sum of its proper divisors (440006706).

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

397161294 is a wasteful number, since it uses less digits than its factorization.

397161294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352.

The product of its digits is 81648, while the sum is 42.

The square root of 397161294 is about 19928.9059910473. The cubic root of 397161294 is about 735.0591798339.

The spelling of 397161294 in words is "three hundred ninety-seven million, one hundred sixty-one thousand, two hundred ninety-four".