1089368600 has 48 divisors (see below), whose sum is σ = 2540202000. Its totient is φ = 434471040.

The previous prime is 1089368593. The next prime is 1089368617. The reversal of 1089368600 is 68639801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61997 + ... + 77603.

It is an arithmetic number, because the mean of its divisors is an integer number (52920875).

Almost surely, 2^1089368600 is an apocalyptic number.

1089368600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1089368600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270101000).

1089368600 is an abundant number, since it is smaller than the sum of its proper divisors (1450833400).

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

1089368600 is a wasteful number, since it uses less digits than its factorization.

1089368600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15972 (or 15963 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1089368600 is about 33005.5843759810. The cubic root of 1089368600 is about 1028.9437124238.

The spelling of 1089368600 in words is "one billion, eighty-nine million, three hundred sixty-eight thousand, six hundred".