85530834 has 12 divisors (see below), whose sum is σ = 185316846. Its totient is φ = 28510272.

The previous prime is 85530811. The next prime is 85530839. The reversal of 85530834 is 43803558.

It can be written as a sum of positive squares in only one way, i.e., 83667609 + 1863225 = 9147^2 + 1365^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85530839) 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 5 ways as a sum of consecutive naturals, for example, 2375839 + ... + 2375874.

Almost surely, 2^85530834 is an apocalyptic number.

85530834 is an abundant number, since it is smaller than the sum of its proper divisors (99786012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85530834 is a wasteful number, since it uses less digits than its factorization.

85530834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751721 (or 4751718 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 85530834 is about 9248.2881659256. The cubic root of 85530834 is about 440.5963573354.

The spelling of 85530834 in words is "eighty-five million, five hundred thirty thousand, eight hundred thirty-four".