10986440 has 16 divisors (see below), whose sum is σ = 24719580. Its totient is φ = 4394560.

The previous prime is 10986413. The next prime is 10986463. The reversal of 10986440 is 4468901.

10986440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10982596 + 3844 = 3314^2 + 62^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10986397 and 10986406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137291 + ... + 137370.

Almost surely, 2^10986440 is an apocalyptic number.

10986440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10986440 is an abundant number, since it is smaller than the sum of its proper divisors (13733140).

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

10986440 is a wasteful number, since it uses less digits than its factorization.

10986440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274672 (or 274668 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 10986440 is about 3314.5799130508. The cubic root of 10986440 is about 222.3065861164.

The spelling of 10986440 in words is "ten million, nine hundred eighty-six thousand, four hundred forty".