328723008 has 56 divisors (see below), whose sum is σ = 897818880. Its totient is φ = 106037760.

The previous prime is 328723007. The next prime is 328723049. The reversal of 328723008 is 800327823.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 328723008.

It is not an unprimeable number, because it can be changed into a prime (328723007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21663 + ... + 33566.

It is an arithmetic number, because the mean of its divisors is an integer number (16032480).

Almost surely, 2^328723008 is an apocalyptic number.

It is an amenable number.

328723008 is an abundant number, since it is smaller than the sum of its proper divisors (569095872).

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

328723008 is a wasteful number, since it uses less digits than its factorization.

328723008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55275 (or 55265 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 328723008 is about 18130.7200077658. The cubic root of 328723008 is about 690.1498015437.

The spelling of 328723008 in words is "three hundred twenty-eight million, seven hundred twenty-three thousand, eight".