383838393 has 8 divisors (see below), whose sum is σ = 541889568. Its totient is φ = 240839744.

The previous prime is 383838383. The next prime is 383838401. The reversal of 383838393 is 393838383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 383838393 - 2²⁵ = 350283961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (383838313) 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, 3763071 + ... + 3763172.

It is an arithmetic number, because the mean of its divisors is an integer number (67736196).

Almost surely, 2^383838393 is an apocalyptic number.

It is an amenable number.

383838393 is a deficient number, since it is larger than the sum of its proper divisors (158051175).

383838393 is a wasteful number, since it uses less digits than its factorization.

383838393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526263.

The product of its digits is 1119744, while the sum is 48.

The square root of 383838393 is about 19591.7940219879. The cubic root of 383838393 is about 726.7462577534.

The spelling of 383838393 in words is "three hundred eighty-three million, eight hundred thirty-eight thousand, three hundred ninety-three".