330121983 has 8 divisors (see below), whose sum is σ = 440247600. Its totient is φ = 220038848.

The previous prime is 330121973. The next prime is 330121991. The reversal of 330121983 is 389121033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 330121983 - 2⁶ = 330121919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 330121983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330121973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20773 + ... + 33041.

It is an arithmetic number, because the mean of its divisors is an integer number (55030950).

Almost surely, 2^330121983 is an apocalyptic number.

330121983 is a deficient number, since it is larger than the sum of its proper divisors (110125617).

330121983 is a wasteful number, since it uses less digits than its factorization.

330121983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21241.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 330121983 is about 18169.2592859478. The cubic root of 330121983 is about 691.1274593964.

The spelling of 330121983 in words is "three hundred thirty million, one hundred twenty-one thousand, nine hundred eighty-three".