328950990 has 64 divisors (see below), whose sum is σ = 923385600. Its totient is φ = 83102112.

The previous prime is 328950983. The next prime is 328951001. The reversal of 328950990 is 99059823.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26932 + ... + 37191.

It is an arithmetic number, because the mean of its divisors is an integer number (14427900).

Almost surely, 2^328950990 is an apocalyptic number.

328950990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328950990 is an abundant number, since it is smaller than the sum of its proper divisors (594434610).

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

328950990 is a wasteful number, since it uses less digits than its factorization.

328950990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64158 (or 64152 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 328950990 is about 18137.0060925170. The cubic root of 328950990 is about 690.3093131163.

The spelling of 328950990 in words is "three hundred twenty-eight million, nine hundred fifty thousand, nine hundred ninety".