328421372 has 24 divisors (see below), whose sum is σ = 584236800. Its totient is φ = 161514416.

The previous prime is 328421369. The next prime is 328421381. The reversal of 328421372 is 273124823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77279 + ... + 81417.

It is an arithmetic number, because the mean of its divisors is an integer number (24343200).

Almost surely, 2^328421372 is an apocalyptic number.

It is an amenable number.

328421372 is a deficient number, since it is larger than the sum of its proper divisors (255815428).

328421372 is a wasteful number, since it uses less digits than its factorization.

328421372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465 (or 4463 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 328421372 is about 18122.3997307200. The cubic root of 328421372 is about 689.9386432874.

The spelling of 328421372 in words is "three hundred twenty-eight million, four hundred twenty-one thousand, three hundred seventy-two".