330121998 has 48 divisors (see below), whose sum is σ = 764200320. Its totient is φ = 102685968.

The previous prime is 330121991. The next prime is 330121999. The reversal of 330121998 is 899121033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330121991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15711 + ... + 30117.

It is an arithmetic number, because the mean of its divisors is an integer number (15920840).

Almost surely, 2^330121998 is an apocalyptic number.

330121998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 330121998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382100160).

330121998 is an abundant number, since it is smaller than the sum of its proper divisors (434078322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330121998 is a wasteful number, since it uses less digits than its factorization.

330121998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14501 (or 14498 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 330121998 is about 18169.2596987329. The cubic root of 330121998 is about 691.1274698642.

The spelling of 330121998 in words is "three hundred thirty million, one hundred twenty-one thousand, nine hundred ninety-eight".