85984235 has 32 divisors (see below), whose sum is σ = 112803840. Its totient is φ = 62726400.

The previous prime is 85984211. The next prime is 85984259. The reversal of 85984235 is 53248958.

It is an interprime number because it is at equal distance from previous prime (85984211) and next prime (85984259).

It is a de Polignac number, because none of the positive numbers 2^k-85984235 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 317150 + ... + 317420.

It is an arithmetic number, because the mean of its divisors is an integer number (3525120).

Almost surely, 2^85984235 is an apocalyptic number.

85984235 is a deficient number, since it is larger than the sum of its proper divisors (26819605).

85984235 is a wasteful number, since it uses less digits than its factorization.

85984235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 345600, while the sum is 44.

The square root of 85984235 is about 9272.7684647035. The cubic root of 85984235 is about 441.3735229726.

The spelling of 85984235 in words is "eighty-five million, nine hundred eighty-four thousand, two hundred thirty-five".