383351980 has 48 divisors (see below), whose sum is σ = 924456960. Its totient is φ = 132062400.

The previous prime is 383351963. The next prime is 383351987. The reversal of 383351980 is 89153383.

It is a happy number.

383351980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (383351987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41676 + ... + 50035.

It is an arithmetic number, because the mean of its divisors is an integer number (19259520).

Almost surely, 2^383351980 is an apocalyptic number.

It is an amenable number.

383351980 is an abundant number, since it is smaller than the sum of its proper divisors (541104980).

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

383351980 is a wasteful number, since it uses less digits than its factorization.

383351980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91750 (or 91748 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 383351980 is about 19579.3763945637. The cubic root of 383351980 is about 726.4391421712.

The spelling of 383351980 in words is "three hundred eighty-three million, three hundred fifty-one thousand, nine hundred eighty".