11989368 has 48 divisors (see below), whose sum is σ = 32853600. Its totient is φ = 3949440.

The previous prime is 11989357. The next prime is 11989379. The reversal of 11989368 is 86398911.

It is an interprime number because it is at equal distance from previous prime (11989357) and next prime (11989379).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 5473 + ... + 7343.

It is an arithmetic number, because the mean of its divisors is an integer number (684450).

Almost surely, 2^11989368 is an apocalyptic number.

11989368 is a gapful number since it is divisible by the number (18) 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 11989368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16426800).

11989368 is an abundant number, since it is smaller than the sum of its proper divisors (20864232).

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

11989368 is a wasteful number, since it uses less digits than its factorization.

11989368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1965 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 11989368 is about 3462.5666780583. The cubic root of 11989368 is about 228.8752140774.

The spelling of 11989368 in words is "eleven million, nine hundred eighty-nine thousand, three hundred sixty-eight".