10921636 has 24 divisors (see below), whose sum is σ = 20936160. Its totient is φ = 4944000.

The previous prime is 10921609. The next prime is 10921649. The reversal of 10921636 is 63612901.

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

It is a congruent number.

It is an unprimeable number.

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, 17335 + ... + 17953.

It is an arithmetic number, because the mean of its divisors is an integer number (872340).

Almost surely, 2^10921636 is an apocalyptic number.

It is an amenable number.

10921636 is a deficient number, since it is larger than the sum of its proper divisors (10014524).

10921636 is a wasteful number, since it uses less digits than its factorization.

10921636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 10921636 is about 3304.7898571619. The cubic root of 10921636 is about 221.8686288192.

The spelling of 10921636 in words is "ten million, nine hundred twenty-one thousand, six hundred thirty-six".