328031979 has 16 divisors (see below), whose sum is σ = 502250880. Its totient is φ = 188343360.

The previous prime is 328031971. The next prime is 328032007. The reversal of 328031979 is 979130823.

It is not a de Polignac number, because 328031979 - 2³ = 328031971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328031979.

It is not an unprimeable number, because it can be changed into a prime (328031971) 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, 260962 + ... + 262215.

It is an arithmetic number, because the mean of its divisors is an integer number (31390680).

Almost surely, 2^328031979 is an apocalyptic number.

328031979 is a deficient number, since it is larger than the sum of its proper divisors (174218901).

328031979 is a wasteful number, since it uses less digits than its factorization.

328031979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523210.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 328031979 is about 18111.6531271996. The cubic root of 328031979 is about 689.6658600594.

The spelling of 328031979 in words is "three hundred twenty-eight million, thirty-one thousand, nine hundred seventy-nine".