10921444 has 12 divisors (see below), whose sum is σ = 19145644. Its totient is φ = 5451264.

The previous prime is 10921439. The next prime is 10921451. The reversal of 10921444 is 44412901.

10921444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4571044 + 6350400 = 2138^2 + 2520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664 + ... + 4720.

Almost surely, 2^10921444 is an apocalyptic number.

It is an amenable number.

10921444 is a deficient number, since it is larger than the sum of its proper divisors (8224200).

10921444 is a wasteful number, since it uses less digits than its factorization.

10921444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 10921444 is about 3304.7608082886. The cubic root of 10921444 is about 221.8673286774.

The spelling of 10921444 in words is "ten million, nine hundred twenty-one thousand, four hundred forty-four".