398882179934 has 16 divisors (see below), whose sum is σ = 690847489248. Its totient is φ = 169187139072.

The previous prime is 398882179933. The next prime is 398882179957. The reversal of 398882179934 is 439971288893.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398882179933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146862479 + ... + 146865194.

It is an arithmetic number, because the mean of its divisors is an integer number (43177968078).

Almost surely, 2^398882179934 is an apocalyptic number.

398882179934 is a deficient number, since it is larger than the sum of its proper divisors (291965309314).

398882179934 is a wasteful number, since it uses less digits than its factorization.

398882179934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293727779.

The product of its digits is 188116992, while the sum is 71.

The spelling of 398882179934 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, one hundred seventy-nine thousand, nine hundred thirty-four".