397058834 has 20 divisors (see below), whose sum is σ = 633078294. Its totient is φ = 186772608.

The previous prime is 397058833. The next prime is 397058843. The reversal of 397058834 is 438850793.

It can be written as a sum of positive squares in 5 ways, for example, as 255520225 + 141538609 = 15985^2 + 11897^2 .

It is not an unprimeable number, because it can be changed into a prime (397058833) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 165854 + ... + 168230.

Almost surely, 2^397058834 is an apocalyptic number.

397058834 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

397058834 is a deficient number, since it is larger than the sum of its proper divisors (236019460).

397058834 is an frugal number, since it uses more digits than its factorization.

397058834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 397058834 is about 19926.3351873846. The cubic root of 397058834 is about 734.9959640052.

The spelling of 397058834 in words is "three hundred ninety-seven million, fifty-eight thousand, eight hundred thirty-four".