9976431 has 8 divisors (see below), whose sum is σ = 13420080. Its totient is φ = 6591872.

The previous prime is 9976429. The next prime is 9976453. The reversal of 9976431 is 1346799.

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

It is a cyclic number.

It is not a de Polignac number, because 9976431 - 2¹ = 9976429 is a prime.

It is a super-2 number, since 2×9976431² = 199058350995522, which contains 22 as substring.

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 9976431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9976471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14376 + ... + 15053.

It is an arithmetic number, because the mean of its divisors is an integer number (1677510).

Almost surely, 2^9976431 is an apocalyptic number.

9976431 is a deficient number, since it is larger than the sum of its proper divisors (3443649).

9976431 is a wasteful number, since it uses less digits than its factorization.

9976431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29545.

The product of its digits is 40824, while the sum is 39.

The square root of 9976431 is about 3158.5488756706. The cubic root of 9976431 is about 215.2740762821.

The spelling of 9976431 in words is "nine million, nine hundred seventy-six thousand, four hundred thirty-one".