328860290 has 32 divisors (see below), whose sum is σ = 668036160. Its totient is φ = 115460800.

The previous prime is 328860289. The next prime is 328860349. The reversal of 328860290 is 92068823.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48356 + ... + 54735.

It is an arithmetic number, because the mean of its divisors is an integer number (20876130).

Almost surely, 2^328860290 is an apocalyptic number.

328860290 is an abundant number, since it is smaller than the sum of its proper divisors (339175870).

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

328860290 is a wasteful number, since it uses less digits than its factorization.

328860290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103138.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 328860290 is about 18134.5055074573. The cubic root of 328860290 is about 690.2458621140.

The spelling of 328860290 in words is "three hundred twenty-eight million, eight hundred sixty thousand, two hundred ninety".