9994431 has 8 divisors (see below), whose sum is σ = 13755904. Its totient is φ = 6447960.

The previous prime is 9994427. The next prime is 9994441. The reversal of 9994431 is 1344999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9994431 - 2² = 9994427 is a prime.

It is a super-2 number, since 2×9994431² = 199777302027522, which contains 22 as substring.

It is a Duffinian number.

9994431 is a lucky number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9994431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53641 + ... + 53826.

It is an arithmetic number, because the mean of its divisors is an integer number (1719488).

Almost surely, 2^9994431 is an apocalyptic number.

9994431 is a deficient number, since it is larger than the sum of its proper divisors (3761473).

9994431 is a wasteful number, since it uses less digits than its factorization.

9994431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107501.

The product of its digits is 34992, while the sum is 39.

The square root of 9994431 is about 3161.3970013271. The cubic root of 9994431 is about 215.4034680875.

The spelling of 9994431 in words is "nine million, nine hundred ninety-four thousand, four hundred thirty-one".