85416740 has 12 divisors (see below), whose sum is σ = 179375196. Its totient is φ = 34166688.

The previous prime is 85416739. The next prime is 85416743. The reversal of 85416740 is 4761458.

It can be written as a sum of positive squares in 2 ways, for example, as 17123044 + 68293696 = 4138^2 + 8264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85416740.

It is not an unprimeable number, because it can be changed into a prime (85416743) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2135399 + ... + 2135438.

It is an arithmetic number, because the mean of its divisors is an integer number (14947933).

Almost surely, 2^85416740 is an apocalyptic number.

It is an amenable number.

85416740 is an abundant number, since it is smaller than the sum of its proper divisors (93958456).

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

85416740 is a wasteful number, since it uses less digits than its factorization.

85416740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270846 (or 4270844 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 85416740 is about 9242.1177226867. The cubic root of 85416740 is about 440.4003587411.

The spelling of 85416740 in words is "eighty-five million, four hundred sixteen thousand, seven hundred forty".