10636644 has 12 divisors (see below), whose sum is σ = 24818864. Its totient is φ = 3545544.

The previous prime is 10636643. The next prime is 10636651. The reversal of 10636644 is 44663601.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10636644² = 226276391165472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10636643) 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, 443182 + ... + 443205.

Almost surely, 2^10636644 is an apocalyptic number.

It is an amenable number.

10636644 is an abundant number, since it is smaller than the sum of its proper divisors (14182220).

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

10636644 is a wasteful number, since it uses less digits than its factorization.

10636644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886394 (or 886392 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 10636644 is about 3261.3868215837. The cubic root of 10636644 is about 219.9217628139.

The spelling of 10636644 in words is "ten million, six hundred thirty-six thousand, six hundred forty-four".