383338406 has 24 divisors (see below), whose sum is σ = 669218760. Its totient is φ = 163993280.

The previous prime is 383338391. The next prime is 383338411. The reversal of 383338406 is 604833383.

It is a self number, because there is not a number n which added to its sum of digits gives 383338406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42476 + ... + 50703.

It is an arithmetic number, because the mean of its divisors is an integer number (27884115).

Almost surely, 2^383338406 is an apocalyptic number.

383338406 is a deficient number, since it is larger than the sum of its proper divisors (285880354).

383338406 is a wasteful number, since it uses less digits than its factorization.

383338406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93220 (or 93209 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 383338406 is about 19579.0297512415. The cubic root of 383338406 is about 726.4305679784.

The spelling of 383338406 in words is "three hundred eighty-three million, three hundred thirty-eight thousand, four hundred six".