328161976 has 24 divisors (see below), whose sum is σ = 643227480. Its totient is φ = 156945008.

The previous prime is 328161949. The next prime is 328161979. The reversal of 328161976 is 679161823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328161979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34540 + ... + 43003.

It is an arithmetic number, because the mean of its divisors is an integer number (26801145).

Almost surely, 2^328161976 is an apocalyptic number.

It is an amenable number.

328161976 is a deficient number, since it is larger than the sum of its proper divisors (315065504).

328161976 is a wasteful number, since it uses less digits than its factorization.

328161976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77595 (or 77568 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 328161976 is about 18115.2415385498. The cubic root of 328161976 is about 689.7569514346.

The spelling of 328161976 in words is "three hundred twenty-eight million, one hundred sixty-one thousand, nine hundred seventy-six".