328844988 has 48 divisors (see below), whose sum is σ = 854112000. Its totient is φ = 109415664.

The previous prime is 328844983. The next prime is 328845001. The reversal of 328844988 is 889448823.

It is a super-2 number, since 2×328844988² = 216278052265440288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328844981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64393 + ... + 69311.

It is an arithmetic number, because the mean of its divisors is an integer number (17794000).

Almost surely, 2^328844988 is an apocalyptic number.

It is an amenable number.

328844988 is an abundant number, since it is smaller than the sum of its proper divisors (525267012).

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

328844988 is a wasteful number, since it uses less digits than its factorization.

328844988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551 (or 5543 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 328844988 is about 18134.0835996750. The cubic root of 328844988 is about 690.2351561432.

The spelling of 328844988 in words is "three hundred twenty-eight million, eight hundred forty-four thousand, nine hundred eighty-eight".