11489900 has 36 divisors (see below), whose sum is σ = 25232760. Its totient is φ = 4540800.

The previous prime is 11489873. The next prime is 11489911. The reversal of 11489900 is 998411.

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, 8255 + ... + 9545.

It is an arithmetic number, because the mean of its divisors is an integer number (700910).

Almost surely, 2^11489900 is an apocalyptic number.

11489900 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 11489900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12616380).

11489900 is an abundant number, since it is smaller than the sum of its proper divisors (13742860).

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

11489900 is a wasteful number, since it uses less digits than its factorization.

11489900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 11489900 is about 3389.6755006932. The cubic root of 11489900 is about 225.6517726944.

The spelling of 11489900 in words is "eleven million, four hundred eighty-nine thousand, nine hundred".