328001004 has 36 divisors (see below), whose sum is σ = 851525584. Its totient is φ = 106378272.

The previous prime is 328000961. The next prime is 328001017. The reversal of 328001004 is 400100823.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121792 + ... + 124455.

Almost surely, 2^328001004 is an apocalyptic number.

It is an amenable number.

328001004 is an abundant number, since it is smaller than the sum of its proper divisors (523524580).

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

328001004 is a wasteful number, since it uses less digits than its factorization.

328001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246294 (or 246289 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 328001004 is about 18110.7979945667. The cubic root of 328001004 is about 689.6441517364.

Adding to 328001004 its reverse (400100823), we get a palindrome (728101827).

The spelling of 328001004 in words is "three hundred twenty-eight million, one thousand, four".