85368940 has 24 divisors (see below), whose sum is σ = 179806032. Its totient is φ = 34046400.

The previous prime is 85368923. The next prime is 85368949. The reversal of 85368940 is 4986358.

It is not an unprimeable number, because it can be changed into a prime (85368949) 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 in 7 ways as a sum of consecutive naturals, for example, 790 + ... + 13090.

It is an arithmetic number, because the mean of its divisors is an integer number (7491918).

Almost surely, 2^85368940 is an apocalyptic number.

It is an amenable number.

85368940 is an abundant number, since it is smaller than the sum of its proper divisors (94437092).

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

85368940 is a wasteful number, since it uses less digits than its factorization.

85368940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12657 (or 12655 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 85368940 is about 9239.5313733977. The cubic root of 85368940 is about 440.3181927036.

The spelling of 85368940 in words is "eighty-five million, three hundred sixty-eight thousand, nine hundred forty".