10985982 has 32 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 3102528.

The previous prime is 10985981. The next prime is 10985993. The reversal of 10985982 is 28958901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10985981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 2^10985982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10985982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700800).

10985982 is an abundant number, since it is smaller than the sum of its proper divisors (14415618).

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

10985982 is a wasteful number, since it uses less digits than its factorization.

10985982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 10985982 is about 3314.5108236360. The cubic root of 10985982 is about 222.3034969194.

The spelling of 10985982 in words is "ten million, nine hundred eighty-five thousand, nine hundred eighty-two".