1363604 has 24 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 583040.

The previous prime is 1363603. The next prime is 1363627. The reversal of 1363604 is 4063631.

1363604 = T₃₉₂ + T₃₉₃ + ... + T₄₀₈.

It is a self number, because there is not a number n which added to its sum of digits gives 1363604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (114912).

2^1363604 is an apocalyptic number.

It is an amenable number.

1363604 is an abundant number, since it is smaller than the sum of its proper divisors (1394284).

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

1363604 is a wasteful number, since it uses less digits than its factorization.

1363604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1363604 is about 1167.7345588789. The cubic root of 1363604 is about 110.8909461086.

The spelling of 1363604 in words is "one million, three hundred sixty-three thousand, six hundred four".