383504 has 20 divisors (see below), whose sum is σ = 810960. Its totient is φ = 174240.

The previous prime is 383489. The next prime is 383519. The reversal of 383504 is 405383.

It is an interprime number because it is at equal distance from previous prime (383489) and next prime (383519).

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 383504.

It is an unprimeable number.

383504 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (40548).

2³⁸³⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

383504 is an abundant number, since it is smaller than the sum of its proper divisors (427456).

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

383504 is a wasteful number, since it uses less digits than its factorization.

383504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 383504 is about 619.2769977966. The cubic root of 383504 is about 72.6535153748.

Adding to 383504 its reverse (405383), we get a palindrome (788887).

The spelling of 383504 in words is "three hundred eighty-three thousand, five hundred four".