328892913 has 16 divisors (see below), whose sum is σ = 488260800. Its totient is φ = 218806560.

The previous prime is 328892909. The next prime is 328892951. The reversal of 328892913 is 319298823.

It is not a de Polignac number, because 328892913 - 2² = 328892909 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328892713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853 + ... + 25661.

It is an arithmetic number, because the mean of its divisors is an integer number (30516300).

Almost surely, 2^328892913 is an apocalyptic number.

It is an amenable number.

328892913 is a deficient number, since it is larger than the sum of its proper divisors (159367887).

328892913 is a wasteful number, since it uses less digits than its factorization.

328892913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25309 (or 25303 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 328892913 is about 18135.4049582578. The cubic root of 328892913 is about 690.2686855306.

The spelling of 328892913 in words is "three hundred twenty-eight million, eight hundred ninety-two thousand, nine hundred thirteen".