9944807 has 2 divisors, whose sum is σ = 9944808. Its totient is φ = 9944806.

The previous prime is 9944801. The next prime is 9944821. The reversal of 9944807 is 7084499.

It is a weak prime.

It is an emirp because it is prime and its reverse (7084499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9944807 - 2¹⁶ = 9879271 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9944801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4972403 + 4972404.

It is an arithmetic number, because the mean of its divisors is an integer number (4972404).

Almost surely, 2^9944807 is an apocalyptic number.

9944807 is a deficient number, since it is larger than the sum of its proper divisors (1).

9944807 is an equidigital number, since it uses as much as digits as its factorization.

9944807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 9944807 is about 3153.5388058497. The cubic root of 9944807 is about 215.0463718257.

The spelling of 9944807 in words is "nine million, nine hundred forty-four thousand, eight hundred seven".