9944397 has 24 divisors (see below), whose sum is σ = 15348480. Its totient is φ = 6356880.

The previous prime is 9944393. The next prime is 9944423. The reversal of 9944397 is 7934499.

It is not a de Polignac number, because 9944397 - 2² = 9944393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9944393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91179 + ... + 91287.

It is an arithmetic number, because the mean of its divisors is an integer number (639520).

Almost surely, 2^9944397 is an apocalyptic number.

It is an amenable number.

9944397 is a deficient number, since it is larger than the sum of its proper divisors (5404083).

9944397 is a wasteful number, since it uses less digits than its factorization.

9944397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 143 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 9944397 is about 3153.4737988447. The cubic root of 9944397 is about 215.0434165069.

The spelling of 9944397 in words is "nine million, nine hundred forty-four thousand, three hundred ninety-seven".