328239290 has 8 divisors (see below), whose sum is σ = 590830740. Its totient is φ = 131295712.

The previous prime is 328239287. The next prime is 328239293. The reversal of 328239290 is 92932823.

It is an interprime number because it is at equal distance from previous prime (328239287) and next prime (328239293).

It can be written as a sum of positive squares in 2 ways, for example, as 327501409 + 737881 = 18097^2 + 859^2 .

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

It is not an unprimeable number, because it can be changed into a prime (328239293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16411955 + ... + 16411974.

Almost surely, 2^328239290 is an apocalyptic number.

328239290 is a deficient number, since it is larger than the sum of its proper divisors (262591450).

328239290 is a wasteful number, since it uses less digits than its factorization.

328239290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32823936.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 328239290 is about 18117.3753617901. The cubic root of 328239290 is about 689.8111154201.

The spelling of 328239290 in words is "three hundred twenty-eight million, two hundred thirty-nine thousand, two hundred ninety".