328492772 has 24 divisors (see below), whose sum is σ = 579963384. Its totient is φ = 162796032.

The previous prime is 328492741. The next prime is 328492793. The reversal of 328492772 is 277294823.

It is a happy number.

328492772 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 145540096 + 182952676 = 12064^2 + 13526^2 .

328492772 is strictly pandigital in base 9.

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, 264938 + ... + 266174.

It is an arithmetic number, because the mean of its divisors is an integer number (24165141).

Almost surely, 2^328492772 is an apocalyptic number.

It is an amenable number.

328492772 is a deficient number, since it is larger than the sum of its proper divisors (251470612).

328492772 is a wasteful number, since it uses less digits than its factorization.

328492772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1773 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 328492772 is about 18124.3695614496. The cubic root of 328492772 is about 689.9886380542.

The spelling of 328492772 in words is "three hundred twenty-eight million, four hundred ninety-two thousand, seven hundred seventy-two".