9944401 has 4 divisors (see below), whose sum is σ = 10156032. Its totient is φ = 9732772.

The previous prime is 9944393. The next prime is 9944423. The reversal of 9944401 is 1044499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1044499 = 23 ⋅45413.

It is a cyclic number.

It is not a de Polignac number, because 9944401 - 2³ = 9944393 is a prime.

It is a super-2 number, since 2×9944401² = 197782222497602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9944461) 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, 105745 + ... + 105838.

It is an arithmetic number, because the mean of its divisors is an integer number (2539008).

Almost surely, 2^9944401 is an apocalyptic number.

It is an amenable number.

9944401 is a deficient number, since it is larger than the sum of its proper divisors (211631).

9944401 is a wasteful number, since it uses less digits than its factorization.

9944401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211630.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 9944401 is about 3153.4744330659. The cubic root of 9944401 is about 215.0434453397.

The spelling of 9944401 in words is "nine million, nine hundred forty-four thousand, four hundred one".