1089347500 has 30 divisors (see below), whose sum is σ = 2382190580. Its totient is φ = 435738000.

The previous prime is 1089347489. The next prime is 1089347521. The reversal of 1089347500 is 57439801.

It is a self number, because there is not a number n which added to its sum of digits gives 1089347500.

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, 215370 + ... + 220369.

Almost surely, 2^1089347500 is an apocalyptic number.

1089347500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1089347500 is an abundant number, since it is smaller than the sum of its proper divisors (1292843080).

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

1089347500 is an equidigital number, since it uses as much as digits as its factorization.

1089347500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435763 (or 435746 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1089347500 is about 33005.2647315546. The cubic root of 1089347500 is about 1028.9370691712.

The spelling of 1089347500 in words is "one billion, eighty-nine million, three hundred forty-seven thousand, five hundred".