328402844 has 48 divisors (see below), whose sum is σ = 741242880. Its totient is φ = 123533760.

The previous prime is 328402843. The next prime is 328402849. The reversal of 328402844 is 448204823.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328402843) 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, 9452 + ... + 27315.

It is an arithmetic number, because the mean of its divisors is an integer number (15442560).

Almost surely, 2^328402844 is an apocalyptic number.

It is an amenable number.

328402844 is an abundant number, since it is smaller than the sum of its proper divisors (412840036).

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

328402844 is a wasteful number, since it uses less digits than its factorization.

328402844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36818 (or 36816 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 328402844 is about 18121.8885329317. Note that the first 3 decimals coincide. The cubic root of 328402844 is about 689.9256686714.

The spelling of 328402844 in words is "three hundred twenty-eight million, four hundred two thousand, eight hundred forty-four".