363404 has 12 divisors (see below), whose sum is σ = 649824. Its totient is φ = 177744.

The previous prime is 363403. The next prime is 363431. The reversal of 363404 is 404363.

It is a happy number.

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 363404.

It is not an unprimeable number, because it can be changed into a prime (363401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779 + ... + 1154.

It is an arithmetic number, because the mean of its divisors is an integer number (54152).

2³⁶³⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

363404 is a deficient number, since it is larger than the sum of its proper divisors (286420).

363404 is a wasteful number, since it uses less digits than its factorization.

363404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 363404 is about 602.8299926182. The cubic root of 363404 is about 71.3613790982.

Adding to 363404 its reverse (404363), we get a palindrome (767767).

It can be divided in two parts, 363 and 404, that added together give a palindrome (767).

The spelling of 363404 in words is "three hundred sixty-three thousand, four hundred four".