328121339 has 16 divisors (see below), whose sum is σ = 406533120. Its totient is φ = 257882400.

The previous prime is 328121323. The next prime is 328121351. The reversal of 328121339 is 933121823.

It is a cyclic number.

It is not a de Polignac number, because 328121339 - 2⁴ = 328121323 is a prime.

It is a super-2 number, since 2×328121339² = 215327226214305842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328121389) 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, 1802 + ... + 25680.

It is an arithmetic number, because the mean of its divisors is an integer number (25408320).

Almost surely, 2^328121339 is an apocalyptic number.

328121339 is a deficient number, since it is larger than the sum of its proper divisors (78411781).

328121339 is a wasteful number, since it uses less digits than its factorization.

328121339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24050.

The product of its digits is 7776, while the sum is 32.

The square root of 328121339 is about 18114.1198792544. The cubic root of 328121339 is about 689.7284788994.

The spelling of 328121339 in words is "three hundred twenty-eight million, one hundred twenty-one thousand, three hundred thirty-nine".