85546940 has 24 divisors (see below), whose sum is σ = 182332752. Its totient is φ = 33707520.

The previous prime is 85546931. The next prime is 85546961. The reversal of 85546940 is 4964558.

It is a happy number.

It is a congruent number.

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, 30581 + ... + 33260.

It is an arithmetic number, because the mean of its divisors is an integer number (7597198).

Almost surely, 2^85546940 is an apocalyptic number.

It is an amenable number.

85546940 is an abundant number, since it is smaller than the sum of its proper divisors (96785812).

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

85546940 is a wasteful number, since it uses less digits than its factorization.

85546940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63917 (or 63915 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 85546940 is about 9249.1588806767. The cubic root of 85546940 is about 440.6240112984.

The spelling of 85546940 in words is "eighty-five million, five hundred forty-six thousand, nine hundred forty".