10985649 has 8 divisors (see below), whose sum is σ = 14714112. Its totient is φ = 7290480.

The previous prime is 10985647. The next prime is 10985657. The reversal of 10985649 is 94658901.

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

It is not a de Polignac number, because 10985649 - 2¹ = 10985647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10985649.

It is not an unprimeable number, because it can be changed into a prime (10985641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7542 + ... + 8879.

It is an arithmetic number, because the mean of its divisors is an integer number (1839264).

Almost surely, 2^10985649 is an apocalyptic number.

It is an amenable number.

10985649 is a deficient number, since it is larger than the sum of its proper divisors (3728463).

10985649 is a wasteful number, since it uses less digits than its factorization.

10985649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16647.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 10985649 is about 3314.4605895983. The cubic root of 10985649 is about 222.3012507900.

It can be divided in two parts, 109 and 85649, that added together give a palindrome (85758).

The spelling of 10985649 in words is "ten million, nine hundred eighty-five thousand, six hundred forty-nine".