10044891 has 18 divisors (see below), whose sum is σ = 15076412. Its totient is φ = 6692220.

The previous prime is 10044847. The next prime is 10044893. The reversal of 10044891 is 19844001.

It is not a de Polignac number, because 10044891 - 2⁷ = 10044763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10044893) 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 17 ways as a sum of consecutive naturals, for example, 5796 + ... + 7326.

Almost surely, 2^10044891 is an apocalyptic number.

10044891 is a deficient number, since it is larger than the sum of its proper divisors (5031521).

10044891 is an frugal number, since it uses more digits than its factorization.

10044891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 10044891 is about 3169.3676025352. The cubic root of 10044891 is about 215.7653702259.

Adding to 10044891 its reverse (19844001), we get a palindrome (29888892).

The spelling of 10044891 in words is "ten million, forty-four thousand, eight hundred ninety-one".