383404 has 12 divisors (see below), whose sum is σ = 766864. Its totient is φ = 164304.

The previous prime is 383399. The next prime is 383417. The reversal of 383404 is 404383.

383404 = T₂₂₇ + T₂₂₈ + ... + T₂₄₀.

383404 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6819 + ... + 6874.

2³⁸³⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

383404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

383404 is a wasteful number, since it uses less digits than its factorization.

383404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13704 (or 13702 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 383404 is about 619.1962532186. The cubic root of 383404 is about 72.6471999403.

Adding to 383404 its reverse (404383), we get a palindrome (787787).

It can be divided in two parts, 383 and 404, that added together give a palindrome (787).

The spelling of 383404 in words is "three hundred eighty-three thousand, four hundred four".