10391044 has 6 divisors (see below), whose sum is σ = 18184334. Its totient is φ = 5195520.

The previous prime is 10391041. The next prime is 10391053. The reversal of 10391044 is 44019301.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 5008644 = 2320^2 + 2238^2 .

It is not an unprimeable number, because it can be changed into a prime (10391041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1298877 + ... + 1298884.

Almost surely, 2^10391044 is an apocalyptic number.

It is an amenable number.

10391044 is a deficient number, since it is larger than the sum of its proper divisors (7793290).

10391044 is a wasteful number, since it uses less digits than its factorization.

10391044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597765 (or 2597763 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10391044 is about 3223.5142313941. The cubic root of 10391044 is about 218.2159014725.

The spelling of 10391044 in words is "ten million, three hundred ninety-one thousand, forty-four".