85334439 has 16 divisors (see below), whose sum is σ = 118969344. Its totient is φ = 54304800.

The previous prime is 85334437. The next prime is 85334449. The reversal of 85334439 is 93443358.

It is not a de Polignac number, because 85334439 - 2¹ = 85334437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85334397 and 85334406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85334437) 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 15 ways as a sum of consecutive naturals, for example, 44674 + ... + 46544.

It is an arithmetic number, because the mean of its divisors is an integer number (7435584).

Almost surely, 2^85334439 is an apocalyptic number.

85334439 is a deficient number, since it is larger than the sum of its proper divisors (33634905).

85334439 is a wasteful number, since it uses less digits than its factorization.

85334439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558.

The product of its digits is 155520, while the sum is 39.

The square root of 85334439 is about 9237.6641528040. The cubic root of 85334439 is about 440.2588679855.

The spelling of 85334439 in words is "eighty-five million, three hundred thirty-four thousand, four hundred thirty-nine".