985366105 has 4 divisors (see below), whose sum is σ = 1182439332. Its totient is φ = 788292880.

The previous prime is 985366043. The next prime is 985366111. The reversal of 985366105 is 501663589.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 571162201 + 414203904 = 23899^2 + 20352^2 .

It is not a de Polignac number, because 985366105 - 2¹⁵ = 985333337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98536606 + ... + 98536615.

It is an arithmetic number, because the mean of its divisors is an integer number (295609833).

Almost surely, 2^985366105 is an apocalyptic number.

It is an amenable number.

985366105 is a deficient number, since it is larger than the sum of its proper divisors (197073227).

985366105 is a wasteful number, since it uses less digits than its factorization.

985366105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197073226.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 985366105 is about 31390.5416487196. The cubic root of 985366105 is about 995.0980451015.

The spelling of 985366105 in words is "nine hundred eighty-five million, three hundred sixty-six thousand, one hundred five".