383921676 has 144 divisors (see below), whose sum is σ = 1094052960. Its totient is φ = 112803840.

The previous prime is 383921669. The next prime is 383921683. The reversal of 383921676 is 676129383.

It is an interprime number because it is at equal distance from previous prime (383921669) and next prime (383921683).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1592916 + ... + 1593156.

It is an arithmetic number, because the mean of its divisors is an integer number (7597590).

Almost surely, 2^383921676 is an apocalyptic number.

383921676 is a gapful number since it is divisible by the number (36) 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 383921676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547026480).

383921676 is an abundant number, since it is smaller than the sum of its proper divisors (710131284).

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

383921676 is a wasteful number, since it uses less digits than its factorization.

383921676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 419 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 383921676 is about 19593.9193629044. The cubic root of 383921676 is about 726.7988156638.

The spelling of 383921676 in words is "three hundred eighty-three million, nine hundred twenty-one thousand, six hundred seventy-six".