398058694 has 16 divisors (see below), whose sum is σ = 652792320. Its totient is φ = 180540360.

The previous prime is 398058679. The next prime is 398058701. The reversal of 398058694 is 496850893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9354 + ... + 29725.

It is an arithmetic number, because the mean of its divisors is an integer number (40799520).

Almost surely, 2^398058694 is an apocalyptic number.

398058694 is a deficient number, since it is larger than the sum of its proper divisors (254733626).

398058694 is a wasteful number, since it uses less digits than its factorization.

398058694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39555.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 398058694 is about 19951.4083212188. The cubic root of 398058694 is about 735.6123941177.

The spelling of 398058694 in words is "three hundred ninety-eight million, fifty-eight thousand, six hundred ninety-four".