383834880 has 432 divisors, whose sum is σ = 1566897696. Its totient is φ = 85524480.

The previous prime is 383834861. The next prime is 383834921. The reversal of 383834880 is 88438383.

It is a super-2 number, since 2×383834880² = 294658430209228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1647244 + ... + 1647476.

It is an arithmetic number, because the mean of its divisors is an integer number (3627078).

Almost surely, 2^383834880 is an apocalyptic number.

383834880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383834880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783448848).

383834880 is an abundant number, since it is smaller than the sum of its proper divisors (1183062816).

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

383834880 is a wasteful number, since it uses less digits than its factorization.

383834880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 383834880 is about 19591.7043668998. The cubic root of 383834880 is about 726.7440406159.

The spelling of 383834880 in words is "three hundred eighty-three million, eight hundred thirty-four thousand, eight hundred eighty".