85084439 has 16 divisors (see below), whose sum is σ = 99760896. Its totient is φ = 71702400.

The previous prime is 85084409. The next prime is 85084453. The reversal of 85084439 is 93448058.

It is not a de Polignac number, because 85084439 - 2⁸ = 85084183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85084396 and 85084405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85084409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9134 + ... + 15924.

It is an arithmetic number, because the mean of its divisors is an integer number (6235056).

Almost surely, 2^85084439 is an apocalyptic number.

85084439 is a deficient number, since it is larger than the sum of its proper divisors (14676457).

85084439 is a wasteful number, since it uses less digits than its factorization.

85084439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 85084439 is about 9224.1226683084. The cubic root of 85084439 is about 439.8285127180.

The spelling of 85084439 in words is "eighty-five million, eighty-four thousand, four hundred thirty-nine".