397342814 has 16 divisors (see below), whose sum is σ = 657506160. Its totient is φ = 178580160.

The previous prime is 397342793. The next prime is 397342861. The reversal of 397342814 is 418243793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99509 + ... + 103424.

It is an arithmetic number, because the mean of its divisors is an integer number (41094135).

Almost surely, 2^397342814 is an apocalyptic number.

397342814 is a deficient number, since it is larger than the sum of its proper divisors (260163346).

397342814 is a wasteful number, since it uses less digits than its factorization.

397342814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203035.

The product of its digits is 145152, while the sum is 41.

The square root of 397342814 is about 19933.4596595774. The cubic root of 397342814 is about 735.1711474585.

The spelling of 397342814 in words is "three hundred ninety-seven million, three hundred forty-two thousand, eight hundred fourteen".