383440992 has 96 divisors (see below), whose sum is σ = 1102356864. Its totient is φ = 115737600.

The previous prime is 383440991. The next prime is 383440999. The reversal of 383440992 is 299044383.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383440991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348988 + ... + 350084.

It is an arithmetic number, because the mean of its divisors is an integer number (11482884).

Almost surely, 2^383440992 is an apocalyptic number.

383440992 is a gapful number since it is divisible by the number (32) 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 383440992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551178432).

383440992 is an abundant number, since it is smaller than the sum of its proper divisors (718915872).

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

383440992 is a wasteful number, since it uses less digits than its factorization.

383440992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 383440992 is about 19581.6493687330. The cubic root of 383440992 is about 726.4953627381.

The spelling of 383440992 in words is "three hundred eighty-three million, four hundred forty thousand, nine hundred ninety-two".