397739796 has 24 divisors (see below), whose sum is σ = 957997824. Its totient is φ = 128303040.

The previous prime is 397739791. The next prime is 397739819. The reversal of 397739796 is 697937793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397739791) 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, 534225 + ... + 534968.

It is an arithmetic number, because the mean of its divisors is an integer number (39916576).

Almost surely, 2^397739796 is an apocalyptic number.

It is an amenable number.

397739796 is an abundant number, since it is smaller than the sum of its proper divisors (560258028).

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

397739796 is a wasteful number, since it uses less digits than its factorization.

397739796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069231 (or 1069229 counting only the distinct ones).

The product of its digits is 13502538, while the sum is 60.

The square root of 397739796 is about 19943.4148530286. The cubic root of 397739796 is about 735.4159004872.

The spelling of 397739796 in words is "three hundred ninety-seven million, seven hundred thirty-nine thousand, seven hundred ninety-six".