89632429 has 2 divisors, whose sum is σ = 89632430. Its totient is φ = 89632428.

The previous prime is 89632421. The next prime is 89632441. The reversal of 89632429 is 92423698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82846404 + 6786025 = 9102^2 + 2605^2 .

It is a cyclic number.

It is not a de Polignac number, because 89632429 - 2³ = 89632421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89632421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44816214 + 44816215.

It is an arithmetic number, because the mean of its divisors is an integer number (44816215).

Almost surely, 2^89632429 is an apocalyptic number.

It is an amenable number.

89632429 is a deficient number, since it is larger than the sum of its proper divisors (1).

89632429 is an equidigital number, since it uses as much as digits as its factorization.

89632429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 89632429 is about 9467.4404672013. The cubic root of 89632429 is about 447.5295553859.

The spelling of 89632429 in words is "eighty-nine million, six hundred thirty-two thousand, four hundred twenty-nine".