1089104 has 20 divisors (see below), whose sum is σ = 2160576. Its totient is φ = 531552.

The previous prime is 1089103. The next prime is 1089107. The reversal of 1089104 is 4019801.

1089104 = 20² + 21² + ... + 148².

It is a super-2 number, since 2×1089104² = 2372295045632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1089104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089103) 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, 104 + ... + 1479.

2^1089104 is an apocalyptic number.

It is an amenable number.

1089104 is a deficient number, since it is larger than the sum of its proper divisors (1071472).

1089104 is a wasteful number, since it uses less digits than its factorization.

1089104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1089104 is about 1043.6014564957. The cubic root of 1089104 is about 102.8860397939.

The spelling of 1089104 in words is "one million, eighty-nine thousand, one hundred four".