89963239 has 2 divisors, whose sum is σ = 89963240. Its totient is φ = 89963238.

The previous prime is 89963221. The next prime is 89963261. The reversal of 89963239 is 93236998.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89963239 - 2¹⁵ = 89930471 is a prime.

It is a super-2 number, since 2×89963239² = 16186768742742242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89963192 and 89963201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89963219) 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, 44981619 + 44981620.

It is an arithmetic number, because the mean of its divisors is an integer number (44981620).

Almost surely, 2^89963239 is an apocalyptic number.

89963239 is a deficient number, since it is larger than the sum of its proper divisors (1).

89963239 is an equidigital number, since it uses as much as digits as its factorization.

89963239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 49.

The square root of 89963239 is about 9484.8953078039. The cubic root of 89963239 is about 448.0794511910.

The spelling of 89963239 in words is "eighty-nine million, nine hundred sixty-three thousand, two hundred thirty-nine".