85000491 has 12 divisors (see below), whose sum is σ = 122861232. Its totient is φ = 56628816.

The previous prime is 85000483. The next prime is 85000541. The reversal of 85000491 is 19400058.

It is not a de Polignac number, because 85000491 - 2³ = 85000483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85000411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19210 + ... + 23216.

It is an arithmetic number, because the mean of its divisors is an integer number (10238436).

Almost surely, 2^85000491 is an apocalyptic number.

85000491 is a deficient number, since it is larger than the sum of its proper divisors (37860741).

85000491 is a wasteful number, since it uses less digits than its factorization.

85000491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370 (or 6367 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 85000491 is about 9219.5710854681. The cubic root of 85000491 is about 439.6838138194.

It can be divided in two parts, 85000 and 491, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 85000491 in words is "eighty-five million, four hundred ninety-one", and thus it is an aban number.