85996 has 6 divisors (see below), whose sum is σ = 150500. Its totient is φ = 42996.

The previous prime is 85991. The next prime is 85999. The reversal of 85996 is 69958.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (85991) 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 as a sum of consecutive naturals, namely, 10746 + ... + 10753.

2⁸⁵⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

85996 is a deficient number, since it is larger than the sum of its proper divisors (64504).

85996 is a wasteful number, since it uses less digits than its factorization.

85996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21503 (or 21501 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 85996 is about 293.2507459496. The cubic root of 85996 is about 44.1393652720.

It can be divided in two parts, 85 and 996, that added together give a triangular number (1081 = T₄₆).

The spelling of 85996 in words is "eighty-five thousand, nine hundred ninety-six".