10989688 has 16 divisors (see below), whose sum is σ = 20807280. Its totient is φ = 5441088.

The previous prime is 10989673. The next prime is 10989689. The reversal of 10989688 is 88698901.

It is a happy number.

10989688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5845 + ... + 7492.

It is an arithmetic number, because the mean of its divisors is an integer number (1300455).

Almost surely, 2^10989688 is an apocalyptic number.

It is an amenable number.

10989688 is a deficient number, since it is larger than the sum of its proper divisors (9817592).

10989688 is a wasteful number, since it uses less digits than its factorization.

10989688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13446 (or 13442 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 10989688 is about 3315.0698333519. The cubic root of 10989688 is about 222.3284913210.

The spelling of 10989688 in words is "ten million, nine hundred eighty-nine thousand, six hundred eighty-eight".