85649896 has 16 divisors (see below), whose sum is σ = 161821440. Its totient is φ = 42497520.

The previous prime is 85649873. The next prime is 85649897. The reversal of 85649896 is 69894658.

It is not an unprimeable number, because it can be changed into a prime (85649897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39816 + ... + 41911.

It is an arithmetic number, because the mean of its divisors is an integer number (10113840).

Almost surely, 2^85649896 is an apocalyptic number.

It is an amenable number.

85649896 is a deficient number, since it is larger than the sum of its proper divisors (76171544).

85649896 is a wasteful number, since it uses less digits than its factorization.

85649896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81864 (or 81860 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The square root of 85649896 is about 9254.7229023888. The cubic root of 85649896 is about 440.8007045420.

The spelling of 85649896 in words is "eighty-five million, six hundred forty-nine thousand, eight hundred ninety-six".