9944398 has 4 divisors (see below), whose sum is σ = 14916600. Its totient is φ = 4972198.

The previous prime is 9944393. The next prime is 9944423. The reversal of 9944398 is 8934499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8934499 = 7 ⋅1276357.

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 as a sum of consecutive naturals, namely, 2486098 + ... + 2486101.

It is an arithmetic number, because the mean of its divisors is an integer number (3729150).

Almost surely, 2^9944398 is an apocalyptic number.

9944398 is a deficient number, since it is larger than the sum of its proper divisors (4972202).

9944398 is a wasteful number, since it uses less digits than its factorization.

9944398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972201.

The product of its digits is 279936, while the sum is 46.

The square root of 9944398 is about 3153.4739574000. The cubic root of 9944398 is about 215.0434237151.

The spelling of 9944398 in words is "nine million, nine hundred forty-four thousand, three hundred ninety-eight".