985715740 has 12 divisors (see below), whose sum is σ = 2070003096. Its totient is φ = 394286288.

The previous prime is 985715729. The next prime is 985715747. The reversal of 985715740 is 47517589.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985715747) 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, 24642874 + ... + 24642913.

It is an arithmetic number, because the mean of its divisors is an integer number (172500258).

Almost surely, 2^985715740 is an apocalyptic number.

It is an amenable number.

985715740 is an abundant number, since it is smaller than the sum of its proper divisors (1084287356).

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

985715740 is a wasteful number, since it uses less digits than its factorization.

985715740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49285796 (or 49285794 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 985715740 is about 31396.1102686304. The cubic root of 985715740 is about 995.2157272370.

The spelling of 985715740 in words is "nine hundred eighty-five million, seven hundred fifteen thousand, seven hundred forty".