10989756 has 60 divisors (see below), whose sum is σ = 29089368. Its totient is φ = 3617568.

The previous prime is 10989749. The next prime is 10989773. The reversal of 10989756 is 65798901.

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 19 ways as a sum of consecutive naturals, for example, 34510 + ... + 34826.

Almost surely, 2^10989756 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 10989756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14544684).

10989756 is an abundant number, since it is smaller than the sum of its proper divisors (18099612).

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

10989756 is a wasteful number, since it uses less digits than its factorization.

10989756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 10989756 is about 3315.0800895303. The cubic root of 10989756 is about 222.3289498814.

The spelling of 10989756 in words is "ten million, nine hundred eighty-nine thousand, seven hundred fifty-six".