89002439 has 2 divisors, whose sum is σ = 89002440. Its totient is φ = 89002438.

The previous prime is 89002409. The next prime is 89002469. The reversal of 89002439 is 93420098.

It is a balanced prime because it is at equal distance from previous prime (89002409) and next prime (89002469).

It is a cyclic number.

It is not a de Polignac number, because 89002439 - 2⁸ = 89002183 is a prime.

89002439 is a modest number, since divided by 2439 gives 890 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 89002399 and 89002408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89002409) 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 as a sum of consecutive naturals, namely, 44501219 + 44501220.

It is an arithmetic number, because the mean of its divisors is an integer number (44501220).

Almost surely, 2^89002439 is an apocalyptic number.

89002439 is a deficient number, since it is larger than the sum of its proper divisors (1).

89002439 is an equidigital number, since it uses as much as digits as its factorization.

89002439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 89002439 is about 9434.1103979125. The cubic root of 89002439 is about 446.4785879906.

The spelling of 89002439 in words is "eighty-nine million, two thousand, four hundred thirty-nine".