328226872 has 32 divisors (see below), whose sum is σ = 638798400. Its totient is φ = 157919104.

The previous prime is 328226863. The next prime is 328226911. The reversal of 328226872 is 278622823.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71313 + ... + 75775.

It is an arithmetic number, because the mean of its divisors is an integer number (19962450).

Almost surely, 2^328226872 is an apocalyptic number.

It is an amenable number.

328226872 is a deficient number, since it is larger than the sum of its proper divisors (310571528).

328226872 is a wasteful number, since it uses less digits than its factorization.

328226872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815 (or 4811 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 328226872 is about 18117.0326488639. The cubic root of 328226872 is about 689.8024162965.

The spelling of 328226872 in words is "three hundred twenty-eight million, two hundred twenty-six thousand, eight hundred seventy-two".