328656113 has 4 divisors (see below), whose sum is σ = 328958448. Its totient is φ = 328353780.

The previous prime is 328656077. The next prime is 328656143. The reversal of 328656113 is 311656823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311656823 = 29 ⋅10746787.

It is a cyclic number.

It is not a de Polignac number, because 328656113 - 2⁸ = 328655857 is a prime.

It is a super-2 number, since 2×328656113² = 216029681224537538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328656143) 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, 149531 + ... + 151712.

It is an arithmetic number, because the mean of its divisors is an integer number (82239612).

Almost surely, 2^328656113 is an apocalyptic number.

It is an amenable number.

328656113 is a deficient number, since it is larger than the sum of its proper divisors (302335).

328656113 is a wasteful number, since it uses less digits than its factorization.

328656113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302334.

The product of its digits is 25920, while the sum is 35.

The square root of 328656113 is about 18128.8751167854. The cubic root of 328656113 is about 690.1029832986.

The spelling of 328656113 in words is "three hundred twenty-eight million, six hundred fifty-six thousand, one hundred thirteen".