383765480 has 128 divisors (see below), whose sum is σ = 1073606400. Its totient is φ = 120434688.

The previous prime is 383765479. The next prime is 383765483. The reversal of 383765480 is 84567383.

It is not an unprimeable number, because it can be changed into a prime (383765483) 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 31 ways as a sum of consecutive naturals, for example, 175031 + ... + 177209.

It is an arithmetic number, because the mean of its divisors is an integer number (8387550).

Almost surely, 2^383765480 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 383765480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536803200).

383765480 is an abundant number, since it is smaller than the sum of its proper divisors (689840920).

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

383765480 is a wasteful number, since it uses less digits than its factorization.

383765480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 383765480 is about 19589.9331290334. The cubic root of 383765480 is about 726.7002378602.

The spelling of 383765480 in words is "three hundred eighty-three million, seven hundred sixty-five thousand, four hundred eighty".