85836530 has 16 divisors (see below), whose sum is σ = 166391064. Its totient is φ = 31693440.

The previous prime is 85836511. The next prime is 85836533. The reversal of 85836530 is 3563858.

It can be written as a sum of positive squares in 4 ways, for example, as 22363441 + 63473089 = 4729^2 + 7967^2 .

It is not an unprimeable number, because it can be changed into a prime (85836533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330011 + ... + 330270.

Almost surely, 2^85836530 is an apocalyptic number.

85836530 is a deficient number, since it is larger than the sum of its proper divisors (80554534).

85836530 is a wasteful number, since it uses less digits than its factorization.

85836530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660301.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 85836530 is about 9264.8005914860. The cubic root of 85836530 is about 441.1206454470.

The spelling of 85836530 in words is "eighty-five million, eight hundred thirty-six thousand, five hundred thirty".