328438790 has 8 divisors (see below), whose sum is σ = 591189840. Its totient is φ = 131375512.

The previous prime is 328438783. The next prime is 328438801. The reversal of 328438790 is 97834823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16421930 + ... + 16421949.

It is an arithmetic number, because the mean of its divisors is an integer number (73898730).

Almost surely, 2^328438790 is an apocalyptic number.

328438790 is a deficient number, since it is larger than the sum of its proper divisors (262751050).

328438790 is a wasteful number, since it uses less digits than its factorization.

328438790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32843886.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 328438790 is about 18122.8802898436. The cubic root of 328438790 is about 689.9508401579.

The spelling of 328438790 in words is "three hundred twenty-eight million, four hundred thirty-eight thousand, seven hundred ninety".