326973982 has 4 divisors (see below), whose sum is σ = 490460976. Its totient is φ = 163486990.

The previous prime is 326973967. The next prime is 326973991. The reversal of 326973982 is 289379623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289379623 = 13 ⋅22259971.

It is a Smith number, since the sum of its digits (49) 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 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 as a sum of consecutive naturals, namely, 81743494 + ... + 81743497.

It is an arithmetic number, because the mean of its divisors is an integer number (122615244).

Almost surely, 2^326973982 is an apocalyptic number.

326973982 is a deficient number, since it is larger than the sum of its proper divisors (163486994).

326973982 is a wasteful number, since it uses less digits than its factorization.

326973982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163486993.

The product of its digits is 979776, while the sum is 49.

The square root of 326973982 is about 18082.4219063708. The cubic root of 326973982 is about 688.9236049083.

The spelling of 326973982 in words is "three hundred twenty-six million, nine hundred seventy-three thousand, nine hundred eighty-two".