383540500 has 48 divisors (see below), whose sum is σ = 957325824. Its totient is φ = 131498400.

The previous prime is 383540477. The next prime is 383540513. The reversal of 383540500 is 5045383.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51292 + ... + 58291.

It is an arithmetic number, because the mean of its divisors is an integer number (19944288).

Almost surely, 2^383540500 is an apocalyptic number.

It is an amenable number.

383540500 is an abundant number, since it is smaller than the sum of its proper divisors (573785324).

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

383540500 is a wasteful number, since it uses less digits than its factorization.

383540500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109609 (or 109597 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 383540500 is about 19584.1900521824. The cubic root of 383540500 is about 726.5582023486.

Adding to 383540500 its reverse (5045383), we get a palindrome (388585883).

The spelling of 383540500 in words is "three hundred eighty-three million, five hundred forty thousand, five hundred".