328791306 has 32 divisors (see below), whose sum is σ = 674942400. Its totient is φ = 106738560.

The previous prime is 328791293. The next prime is 328791319. The reversal of 328791306 is 603197823.

It is an interprime number because it is at equal distance from previous prime (328791293) and next prime (328791319).

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, 34326 + ... + 42846.

It is an arithmetic number, because the mean of its divisors is an integer number (21091950).

Almost surely, 2^328791306 is an apocalyptic number.

328791306 is an abundant number, since it is smaller than the sum of its proper divisors (346151094).

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

328791306 is a wasteful number, since it uses less digits than its factorization.

328791306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8694.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 328791306 is about 18132.6033982989. The cubic root of 328791306 is about 690.1975951631.

The spelling of 328791306 in words is "three hundred twenty-eight million, seven hundred ninety-one thousand, three hundred six".