398576679 has 16 divisors (see below), whose sum is σ = 565378560. Its totient is φ = 248895360.

The previous prime is 398576671. The next prime is 398576681. The reversal of 398576679 is 976675893.

It is not a de Polignac number, because 398576679 - 2³ = 398576671 is a prime.

It is a super-3 number, since 3×398576679³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398576671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7759 + ... + 29280.

It is an arithmetic number, because the mean of its divisors is an integer number (35336160).

Almost surely, 2^398576679 is an apocalyptic number.

398576679 is a deficient number, since it is larger than the sum of its proper divisors (166801881).

398576679 is a wasteful number, since it uses less digits than its factorization.

398576679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37270.

The product of its digits is 17146080, while the sum is 60.

The square root of 398576679 is about 19964.3852647659. The cubic root of 398576679 is about 735.9313345429.

The spelling of 398576679 in words is "three hundred ninety-eight million, five hundred seventy-six thousand, six hundred seventy-nine".