329898121 has 16 divisors (see below), whose sum is σ = 400015360. Its totient is φ = 265764240.

The previous prime is 329898077. The next prime is 329898137. The reversal of 329898121 is 121898923.

It is not a de Polignac number, because 329898121 - 2²⁵ = 296343689 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (329898161) 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, 7126 + ... + 26656.

It is an arithmetic number, because the mean of its divisors is an integer number (25000960).

Almost surely, 2^329898121 is an apocalyptic number.

It is an amenable number.

329898121 is a deficient number, since it is larger than the sum of its proper divisors (70117239).

329898121 is a wasteful number, since it uses less digits than its factorization.

329898121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19684.

The product of its digits is 62208, while the sum is 43.

The square root of 329898121 is about 18163.0977809403. The cubic root of 329898121 is about 690.9712018425.

The spelling of 329898121 in words is "three hundred twenty-nine million, eight hundred ninety-eight thousand, one hundred twenty-one".