85386824 has 32 divisors (see below), whose sum is σ = 167158200. Its totient is φ = 40849920.

The previous prime is 85386797. The next prime is 85386841. The reversal of 85386824 is 42868358.

It can be written as a sum of positive squares in 4 ways, for example, as 42484324 + 42902500 = 6518^2 + 6550^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15692 + ... + 20420.

Almost surely, 2^85386824 is an apocalyptic number.

It is an amenable number.

85386824 is a deficient number, since it is larger than the sum of its proper divisors (81771376).

85386824 is a wasteful number, since it uses less digits than its factorization.

85386824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833 (or 4829 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 85386824 is about 9240.4991207185. The cubic root of 85386824 is about 440.3489380806.

The spelling of 85386824 in words is "eighty-five million, three hundred eighty-six thousand, eight hundred twenty-four".