383438313 has 16 divisors (see below), whose sum is σ = 592755840. Its totient is φ = 244510992.

The previous prime is 383438299. The next prime is 383438317. The reversal of 383438313 is 313834383.

It is a happy number.

It is not a de Polignac number, because 383438313 - 2⁸ = 383438057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (383438317) 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, 308106 + ... + 309347.

It is an arithmetic number, because the mean of its divisors is an integer number (37047240).

Almost surely, 2^383438313 is an apocalyptic number.

It is an amenable number.

383438313 is a deficient number, since it is larger than the sum of its proper divisors (209317527).

383438313 is a wasteful number, since it uses less digits than its factorization.

383438313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617485 (or 617479 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 383438313 is about 19581.5809627313. The cubic root of 383438313 is about 726.4936707910.

It can be divided in two parts, 38343 and 8313, that added together give a 6-th power (46656 = 6⁶).

The spelling of 383438313 in words is "three hundred eighty-three million, four hundred thirty-eight thousand, three hundred thirteen".