383449664 has 56 divisors (see below), whose sum is σ = 845929728. Its totient is φ = 171256320.

The previous prime is 383449657. The next prime is 383449681. The reversal of 383449664 is 466944383.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18359 + ... + 33225.

It is an arithmetic number, because the mean of its divisors is an integer number (15105888).

Almost surely, 2^383449664 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 383449664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422964864).

383449664 is an abundant number, since it is smaller than the sum of its proper divisors (462480064).

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

383449664 is a wasteful number, since it uses less digits than its factorization.

383449664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14923 (or 14913 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 47.

The square root of 383449664 is about 19581.8707992878. The cubic root of 383449664 is about 726.5008395654.

The spelling of 383449664 in words is "three hundred eighty-three million, four hundred forty-nine thousand, six hundred sixty-four".