383685384 has 32 divisors (see below), whose sum is σ = 964247040. Its totient is φ = 127224000.

The previous prime is 383685353. The next prime is 383685389. The reversal of 383685384 is 483586383.

It is not an unprimeable number, because it can be changed into a prime (383685389) 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, 37267 + ... + 46434.

It is an arithmetic number, because the mean of its divisors is an integer number (30132720).

Almost surely, 2^383685384 is an apocalyptic number.

It is an amenable number.

383685384 is an abundant number, since it is smaller than the sum of its proper divisors (580561656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

383685384 is a wasteful number, since it uses less digits than its factorization.

383685384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83901 (or 83897 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The square root of 383685384 is about 19587.8887070557. Note that the first 3 decimals coincide. The cubic root of 383685384 is about 726.6496776135.

Subtracting 383685384 from its reverse (483586383), we obtain a palindrome (99900999).

The spelling of 383685384 in words is "three hundred eighty-three million, six hundred eighty-five thousand, three hundred eighty-four".