10881984 has 84 divisors (see below), whose sum is σ = 30580584. Its totient is φ = 3414528.

The previous prime is 10881979. The next prime is 10881991. The reversal of 10881984 is 48918801.

It is a happy number.

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, 69234 + ... + 69390.

Almost surely, 2^10881984 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 10881984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15290292).

10881984 is an abundant number, since it is smaller than the sum of its proper divisors (19698600).

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

10881984 is a wasteful number, since it uses less digits than its factorization.

10881984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 10881984 is about 3298.7852309600. The cubic root of 10881984 is about 221.5997984246.

The spelling of 10881984 in words is "ten million, eight hundred eighty-one thousand, nine hundred eighty-four".