383381438 has 16 divisors (see below), whose sum is σ = 627709824. Its totient is φ = 174164760.

The previous prime is 383381431. The next prime is 383381443. The reversal of 383381438 is 834183383.

It is a junction number, because it is equal to n+sod(n) for n = 383381395 and 383381404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383381431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46031 + ... + 53717.

It is an arithmetic number, because the mean of its divisors is an integer number (39231864).

Almost surely, 2^383381438 is an apocalyptic number.

383381438 is a deficient number, since it is larger than the sum of its proper divisors (244328386).

383381438 is a wasteful number, since it uses less digits than its factorization.

383381438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9967.

The product of its digits is 165888, while the sum is 41.

The square root of 383381438 is about 19580.1286512627. The cubic root of 383381438 is about 726.4577490019.

The spelling of 383381438 in words is "three hundred eighty-three million, three hundred eighty-one thousand, four hundred thirty-eight".