328737312 has 48 divisors (see below), whose sum is σ = 958819680. Its totient is φ = 109578816.

The previous prime is 328737307. The next prime is 328737337. The reversal of 328737312 is 213737823.

328737312 is a `hidden beast` number, since 3 + 287 + 373 + 1 + 2 = 666.

328737312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 189378 + ... + 191105.

It is an arithmetic number, because the mean of its divisors is an integer number (19975410).

Almost surely, 2^328737312 is an apocalyptic number.

328737312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

328737312 is an abundant number, since it is smaller than the sum of its proper divisors (630082368).

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

328737312 is a wasteful number, since it uses less digits than its factorization.

328737312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380502 (or 380488 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 328737312 is about 18131.1144720891. The cubic root of 328737312 is about 690.1598117542.

The spelling of 328737312 in words is "three hundred twenty-eight million, seven hundred thirty-seven thousand, three hundred twelve".