10649944 has 8 divisors (see below), whose sum is σ = 19968660. Its totient is φ = 5324968.

The previous prime is 10649927. The next prime is 10649953. The reversal of 10649944 is 44994601.

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

It is a super-2 number, since 2×10649944² = 226842614406272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665614 + ... + 665629.

Almost surely, 2^10649944 is an apocalyptic number.

It is an amenable number.

10649944 is a deficient number, since it is larger than the sum of its proper divisors (9318716).

10649944 is a wasteful number, since it uses less digits than its factorization.

10649944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331249 (or 1331245 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 10649944 is about 3263.4251944851. The cubic root of 10649944 is about 220.0133876151.

The spelling of 10649944 in words is "ten million, six hundred forty-nine thousand, nine hundred forty-four".