403804 has 12 divisors (see below), whose sum is σ = 712264. Its totient is φ = 200304.

The previous prime is 403787. The next prime is 403817. The reversal of 403804 is 408304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307 + ... + 949.

2⁴⁰³⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

403804 is a deficient number, since it is larger than the sum of its proper divisors (308460).

403804 is a wasteful number, since it uses less digits than its factorization.

403804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 403804 is about 635.4557419679. The cubic root of 403804 is about 73.9134610477.

It can be divided in two parts, 40 and 3804, that added together give a square (3844 = 62²).

The spelling of 403804 in words is "four hundred three thousand, eight hundred four".