9875429 has 2 divisors, whose sum is σ = 9875430. Its totient is φ = 9875428.

The previous prime is 9875417. The next prime is 9875443. The reversal of 9875429 is 9245789.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5166529 + 4708900 = 2273^2 + 2170^2 .

It is a cyclic number.

It is not a de Polignac number, because 9875429 - 2¹⁶ = 9809893 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9875429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9875449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4937714 + 4937715.

It is an arithmetic number, because the mean of its divisors is an integer number (4937715).

Almost surely, 2^9875429 is an apocalyptic number.

It is an amenable number.

9875429 is a deficient number, since it is larger than the sum of its proper divisors (1).

9875429 is an equidigital number, since it uses as much as digits as its factorization.

9875429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 9875429 is about 3142.5195305678. The cubic root of 9875429 is about 214.5451280920.

The spelling of 9875429 in words is "nine million, eight hundred seventy-five thousand, four hundred twenty-nine".