10909144 has 16 divisors (see below), whose sum is σ = 20495520. Its totient is φ = 5443680.

The previous prime is 10909139. The next prime is 10909147. The reversal of 10909144 is 44190901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10909147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4257 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (1280970).

Almost surely, 2^10909144 is an apocalyptic number.

It is an amenable number.

10909144 is a deficient number, since it is larger than the sum of its proper divisors (9586376).

10909144 is a wasteful number, since it uses less digits than its factorization.

10909144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10909144 is about 3302.8993324048. The cubic root of 10909144 is about 221.7840065679.

The spelling of 10909144 in words is "ten million, nine hundred nine thousand, one hundred forty-four".