10638944 has 12 divisors (see below), whose sum is σ = 20945484. Its totient is φ = 5319456.

The previous prime is 10638913. The next prime is 10638959. The reversal of 10638944 is 44983601.

It is a super-2 number, since 2×10638944² = 226374258870272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 166202 + ... + 166265.

It is an arithmetic number, because the mean of its divisors is an integer number (1745457).

Almost surely, 2^10638944 is an apocalyptic number.

It is an amenable number.

10638944 is a deficient number, since it is larger than the sum of its proper divisors (10306540).

10638944 is an equidigital number, since it uses as much as digits as its factorization.

10638944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332477 (or 332469 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 10638944 is about 3261.7394132579. The cubic root of 10638944 is about 219.9376131642.

The spelling of 10638944 in words is "ten million, six hundred thirty-eight thousand, nine hundred forty-four".