328303444 has 24 divisors (see below), whose sum is σ = 658360640. Its totient is φ = 140325696.

The previous prime is 328303433. The next prime is 328303453. The reversal of 328303444 is 444303823.

It is a super-2 number, since 2×328303444² = 215566302684522272, which contains 22 as substring.

It is a congruent number.

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, 4857 + ... + 26080.

Almost surely, 2^328303444 is an apocalyptic number.

It is an amenable number.

328303444 is an abundant number, since it is smaller than the sum of its proper divisors (330057196).

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

328303444 is a wasteful number, since it uses less digits than its factorization.

328303444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31327 (or 31325 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 328303444 is about 18119.1457856048. The cubic root of 328303444 is about 689.8560534281.

The spelling of 328303444 in words is "three hundred twenty-eight million, three hundred three thousand, four hundred forty-four".