1089372204 has 72 divisors (see below), whose sum is σ = 2888453568. Its totient is φ = 345772800.

The previous prime is 1089372203. The next prime is 1089372233. The reversal of 1089372204 is 4022739801.

1089372204 is a `hidden beast` number, since 1 + 0 + 89 + 372 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1089372203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53904 + ... + 71304.

Almost surely, 2^1089372204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1089372204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444226784).

1089372204 is an abundant number, since it is smaller than the sum of its proper divisors (1799081364).

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

1089372204 is a wasteful number, since it uses less digits than its factorization.

1089372204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17495 (or 17490 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1089372204 is about 33005.6389727574. The cubic root of 1089372204 is about 1028.9448471206.

The spelling of 1089372204 in words is "one billion, eighty-nine million, three hundred seventy-two thousand, two hundred four".