1363404 has 24 divisors (see below), whose sum is σ = 3635968. Its totient is φ = 389520.

The previous prime is 1363403. The next prime is 1363409. The reversal of 1363404 is 4043631.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1363403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8032 + ... + 8199.

2^1363404 is an apocalyptic number.

1363404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1363404 is an abundant number, since it is smaller than the sum of its proper divisors (2272564).

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

1363404 is a wasteful number, since it uses less digits than its factorization.

1363404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16245 (or 16243 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1363404 is about 1167.6489198385. The cubic root of 1363404 is about 110.8855243797.

The spelling of 1363404 in words is "one million, three hundred sixty-three thousand, four hundred four".