10989984 has 24 divisors (see below), whose sum is σ = 28848960. Its totient is φ = 3663296.

The previous prime is 10989977. The next prime is 10989991. The reversal of 10989984 is 48998901.

It is an interprime number because it is at equal distance from previous prime (10989977) and next prime (10989991).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57144 + ... + 57335.

It is an arithmetic number, because the mean of its divisors is an integer number (1202040).

Almost surely, 2^10989984 is an apocalyptic number.

It is an amenable number.

10989984 is an abundant number, since it is smaller than the sum of its proper divisors (17858976).

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

10989984 is a wasteful number, since it uses less digits than its factorization.

10989984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114492 (or 114484 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 10989984 is about 3315.1144776614. The cubic root of 10989984 is about 222.3304873935.

The spelling of 10989984 in words is "ten million, nine hundred eighty-nine thousand, nine hundred eighty-four".