1089573804 has 36 divisors (see below), whose sum is σ = 3004583400. Its totient is φ = 330173760.

The previous prime is 1089573781. The next prime is 1089573839. The reversal of 1089573804 is 4083759801.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1089573804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1375329 + ... + 1376120.

It is an arithmetic number, because the mean of its divisors is an integer number (83460650).

Almost surely, 2^1089573804 is an apocalyptic number.

It is an amenable number.

1089573804 is an abundant number, since it is smaller than the sum of its proper divisors (1915009596).

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

1089573804 is a wasteful number, since it uses less digits than its factorization.

1089573804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751470 (or 2751465 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1089573804 is about 33008.6928550647. The cubic root of 1089573804 is about 1029.0083156289.

The spelling of 1089573804 in words is "one billion, eighty-nine million, five hundred seventy-three thousand, eight hundred four".