1083604 has 12 divisors (see below), whose sum is σ = 1927828. Its totient is φ = 532800.

The previous prime is 1083601. The next prime is 1083611. The reversal of 1083604 is 4063801.

It can be written as a sum of positive squares in 2 ways, for example, as 184900 + 898704 = 430^2 + 948^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977 + ... + 2464.

2^1083604 is an apocalyptic number.

It is an amenable number.

1083604 is a deficient number, since it is larger than the sum of its proper divisors (844224).

1083604 is a wasteful number, since it uses less digits than its factorization.

1083604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506 (or 4504 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1083604 is about 1040.9630156735. The cubic root of 1083604 is about 102.7125551502.

The spelling of 1083604 in words is "one million, eighty-three thousand, six hundred four".