383378944 has 80 divisors (see below), whose sum is σ = 831821760. Its totient is φ = 175472640.

The previous prime is 383378939. The next prime is 383378993. The reversal of 383378944 is 449873383.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1590664 + ... + 1590904.

It is an arithmetic number, because the mean of its divisors is an integer number (10397772).

Almost surely, 2^383378944 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 383378944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415910880).

383378944 is an abundant number, since it is smaller than the sum of its proper divisors (448442816).

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

383378944 is a wasteful number, since it uses less digits than its factorization.

383378944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 495 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 383378944 is about 19580.0649641415. The cubic root of 383378944 is about 726.4561737304.

The spelling of 383378944 in words is "three hundred eighty-three million, three hundred seventy-eight thousand, nine hundred forty-four".