9946431 has 12 divisors (see below), whose sum is σ = 15673320. Its totient is φ = 6028080.

The previous prime is 9946429. The next prime is 9946439. The reversal of 9946431 is 1346499.

9946431 is a `hidden beast` number, since 9 + 9 + 4 + 643 + 1 = 666.

It is not a de Polignac number, because 9946431 - 2¹ = 9946429 is a prime.

It is a super-2 number, since 2×9946431² = 197862979275522, which contains 22 as substring.

9946431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9946439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50136 + ... + 50333.

It is an arithmetic number, because the mean of its divisors is an integer number (1306110).

Almost surely, 2^9946431 is an apocalyptic number.

9946431 is a deficient number, since it is larger than the sum of its proper divisors (5726889).

9946431 is a wasteful number, since it uses less digits than its factorization.

9946431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100486 (or 100483 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 9946431 is about 3153.7962838459. The cubic root of 9946431 is about 215.0580769732.

The spelling of 9946431 in words is "nine million, nine hundred forty-six thousand, four hundred thirty-one".