383989760 has 192 divisors, whose sum is σ = 1151055360. Its totient is φ = 119439360.

The previous prime is 383989751. The next prime is 383989763. The reversal of 383989760 is 67989383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383989763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788237 + ... + 788723.

It is an arithmetic number, because the mean of its divisors is an integer number (5995080).

Almost surely, 2^383989760 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 383989760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575527680).

383989760 is an abundant number, since it is smaller than the sum of its proper divisors (767065600).

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

383989760 is a wasteful number, since it uses less digits than its factorization.

383989760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 383989760 is about 19595.6566616176. The cubic root of 383989760 is about 726.8417762022.

The spelling of 383989760 in words is "three hundred eighty-three million, nine hundred eighty-nine thousand, seven hundred sixty".