10985816 has 8 divisors (see below), whose sum is σ = 20598420. Its totient is φ = 5492904.

The previous prime is 10985813. The next prime is 10985831. The reversal of 10985816 is 61858901.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 10985816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10985813) 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 as a sum of consecutive naturals, namely, 686606 + ... + 686621.

Almost surely, 2^10985816 is an apocalyptic number.

It is an amenable number.

10985816 is a deficient number, since it is larger than the sum of its proper divisors (9612604).

10985816 is a wasteful number, since it uses less digits than its factorization.

10985816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373233 (or 1373229 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 10985816 is about 3314.4857821388. The cubic root of 10985816 is about 222.3023772330.

The spelling of 10985816 in words is "ten million, nine hundred eighty-five thousand, eight hundred sixteen".