10440921 has 8 divisors (see below), whose sum is σ = 13936384. Its totient is φ = 6953040.

The previous prime is 10440901. The next prime is 10440967. The reversal of 10440921 is 12904401.

10440921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10440921 - 2¹¹ = 10438873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440901) 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 7 ways as a sum of consecutive naturals, for example, 3591 + ... + 5811.

It is an arithmetic number, because the mean of its divisors is an integer number (1742048).

Almost surely, 2^10440921 is an apocalyptic number.

It is an amenable number.

10440921 is a deficient number, since it is larger than the sum of its proper divisors (3495463).

10440921 is a wasteful number, since it uses less digits than its factorization.

10440921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 10440921 is about 3231.2414023096. The cubic root of 10440921 is about 218.5644896890.

The spelling of 10440921 in words is "ten million, four hundred forty thousand, nine hundred twenty-one".