383838405 has 8 divisors (see below), whose sum is σ = 614141472. Its totient is φ = 204713808.

The previous prime is 383838401. The next prime is 383838439. The reversal of 383838405 is 504838383.

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

It is not a de Polignac number, because 383838405 - 2² = 383838401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383838401) 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, 12794599 + ... + 12794628.

It is an arithmetic number, because the mean of its divisors is an integer number (76767684).

Almost surely, 2^383838405 is an apocalyptic number.

It is an amenable number.

383838405 is a deficient number, since it is larger than the sum of its proper divisors (230303067).

383838405 is a wasteful number, since it uses less digits than its factorization.

383838405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25589235.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 383838405 is about 19591.7943282385. The cubic root of 383838405 is about 726.7462653268.

The spelling of 383838405 in words is "three hundred eighty-three million, eight hundred thirty-eight thousand, four hundred five".