383712880 has 20 divisors (see below), whose sum is σ = 892132632. Its totient is φ = 153485120.

The previous prime is 383712871. The next prime is 383712881. The reversal of 383712880 is 88217383.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383712881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2398126 + ... + 2398285.

Almost surely, 2^383712880 is an apocalyptic number.

It is an amenable number.

383712880 is an abundant number, since it is smaller than the sum of its proper divisors (508419752).

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

383712880 is a wasteful number, since it uses less digits than its factorization.

383712880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796424 (or 4796418 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 383712880 is about 19588.5905567501. The cubic root of 383712880 is about 726.6670351353.

The spelling of 383712880 in words is "three hundred eighty-three million, seven hundred twelve thousand, eight hundred eighty".