10889986 has 8 divisors (see below), whose sum is σ = 16354044. Its totient is φ = 5438640.

The previous prime is 10889981. The next prime is 10889987. The reversal of 10889986 is 68998801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9186961 + 1703025 = 3031^2 + 1305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10889981) 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, 625 + ... + 4708.

Almost surely, 2^10889986 is an apocalyptic number.

10889986 is a deficient number, since it is larger than the sum of its proper divisors (5464058).

10889986 is a wasteful number, since it uses less digits than its factorization.

10889986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356.

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

The square root of 10889986 is about 3299.9978787872. The cubic root of 10889986 is about 221.6541024656.

The spelling of 10889986 in words is "ten million, eight hundred eighty-nine thousand, nine hundred eighty-six".