1043604 has 30 divisors (see below), whose sum is σ = 2729034. Its totient is φ = 347760.

The previous prime is 1043599. The next prime is 1043617. The reversal of 1043604 is 4063401.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 63504 = 990^2 + 252^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1287 + ... + 1934.

2^1043604 is an apocalyptic number.

It is an amenable number.

1043604 is an abundant number, since it is smaller than the sum of its proper divisors (1685430).

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

1043604 is a wasteful number, since it uses less digits than its factorization.

1043604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237 (or 3226 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1043604 is about 1021.5693809037. The cubic root of 1043604 is about 101.4328383540.

The spelling of 1043604 in words is "one million, forty-three thousand, six hundred four".