985727634 has 16 divisors (see below), whose sum is σ = 1974926880. Its totient is φ = 327997280.

The previous prime is 985727627. The next prime is 985727641. The reversal of 985727634 is 436727589.

It is an interprime number because it is at equal distance from previous prime (985727627) and next prime (985727641).

It is an unprimeable number.

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, 140952 + ... + 147779.

It is an arithmetic number, because the mean of its divisors is an integer number (123432930).

Almost surely, 2^985727634 is an apocalyptic number.

985727634 is an abundant number, since it is smaller than the sum of its proper divisors (989199246).

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

985727634 is a wasteful number, since it uses less digits than its factorization.

985727634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289305.

The product of its digits is 2540160, while the sum is 51.

The square root of 985727634 is about 31396.2996864280. The cubic root of 985727634 is about 995.2197300976.

The spelling of 985727634 in words is "nine hundred eighty-five million, seven hundred twenty-seven thousand, six hundred thirty-four".