397740934 has 8 divisors (see below), whose sum is σ = 602762328. Its totient is φ = 196820160.

The previous prime is 397740907. The next prime is 397740961. The reversal of 397740934 is 439047793.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (397740907) and next prime (397740961).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024912 + ... + 1025299.

It is an arithmetic number, because the mean of its divisors is an integer number (75345291).

Almost surely, 2^397740934 is an apocalyptic number.

397740934 is a deficient number, since it is larger than the sum of its proper divisors (205021394).

397740934 is a wasteful number, since it uses less digits than its factorization.

397740934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050310.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 397740934 is about 19943.4433837289. The cubic root of 397740934 is about 735.4166018691.

The spelling of 397740934 in words is "three hundred ninety-seven million, seven hundred forty thousand, nine hundred thirty-four".