9944413 has 4 divisors (see below), whose sum is σ = 9962460. Its totient is φ = 9926368.

The previous prime is 9944393. The next prime is 9944423. The reversal of 9944413 is 3144499.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1194649 + 8749764 = 1093^2 + 2958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9944413 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9944423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8170 + ... + 9307.

It is an arithmetic number, because the mean of its divisors is an integer number (2490615).

Almost surely, 2^9944413 is an apocalyptic number.

It is an amenable number.

9944413 is a deficient number, since it is larger than the sum of its proper divisors (18047).

9944413 is a wasteful number, since it uses less digits than its factorization.

9944413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18046.

The product of its digits is 15552, while the sum is 34.

The square root of 9944413 is about 3153.4763357286. The cubic root of 9944413 is about 215.0435318380.

The spelling of 9944413 in words is "nine million, nine hundred forty-four thousand, four hundred thirteen".