85610940 has 48 divisors (see below), whose sum is σ = 240985248. Its totient is φ = 22708224.

The previous prime is 85610909. The next prime is 85610981. The reversal of 85610940 is 4901658.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7884 + ... + 15276.

It is an arithmetic number, because the mean of its divisors is an integer number (5020526).

Almost surely, 2^85610940 is an apocalyptic number.

It is an amenable number.

85610940 is an abundant number, since it is smaller than the sum of its proper divisors (155374308).

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

85610940 is a wasteful number, since it uses less digits than its factorization.

85610940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598 (or 7596 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 85610940 is about 9252.6180078938. The cubic root of 85610940 is about 440.7338648566.

The spelling of 85610940 in words is "eighty-five million, six hundred ten thousand, nine hundred forty".