326978376 has 16 divisors (see below), whose sum is σ = 817446000. Its totient is φ = 108992784.

The previous prime is 326978329. The next prime is 326978381. The reversal of 326978376 is 673879623.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6812026 + ... + 6812073.

It is an arithmetic number, because the mean of its divisors is an integer number (51090375).

Almost surely, 2^326978376 is an apocalyptic number.

It is an amenable number.

326978376 is an abundant number, since it is smaller than the sum of its proper divisors (490467624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326978376 is a wasteful number, since it uses less digits than its factorization.

326978376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624108 (or 13624104 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 51.

The square root of 326978376 is about 18082.5434051740. The cubic root of 326978376 is about 688.9266908998.

The spelling of 326978376 in words is "three hundred twenty-six million, nine hundred seventy-eight thousand, three hundred seventy-six".