10440847 has 4 divisors (see below), whose sum is σ = 10482696. Its totient is φ = 10399000.

The previous prime is 10440809. The next prime is 10440851. The reversal of 10440847 is 74804401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10440847 is a prime.

It is a super-2 number, since 2×10440847² = 218022572154818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440047) 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, 20548 + ... + 21049.

It is an arithmetic number, because the mean of its divisors is an integer number (2620674).

Almost surely, 2^10440847 is an apocalyptic number.

10440847 is a deficient number, since it is larger than the sum of its proper divisors (41849).

10440847 is an equidigital number, since it uses as much as digits as its factorization.

10440847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41848.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 10440847 is about 3231.2299515819. The cubic root of 10440847 is about 218.5639733293.

The spelling of 10440847 in words is "ten million, four hundred forty thousand, eight hundred forty-seven".