383898980 has 48 divisors (see below), whose sum is σ = 849671424. Its totient is φ = 145411200.

The previous prime is 383898979. The next prime is 383898989. The reversal of 383898980 is 89898383.

It is not an unprimeable number, because it can be changed into a prime (383898989) 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, 42329 + ... + 50591.

It is an arithmetic number, because the mean of its divisors is an integer number (17701488).

Almost surely, 2^383898980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383898980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424835712).

383898980 is an abundant number, since it is smaller than the sum of its proper divisors (465772444).

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

383898980 is a wasteful number, since it uses less digits than its factorization.

383898980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396 (or 8394 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 383898980 is about 19593.3401950765. The cubic root of 383898980 is about 726.7844935142.

The spelling of 383898980 in words is "three hundred eighty-three million, eight hundred ninety-eight thousand, nine hundred eighty".