986390105 has 8 divisors (see below), whose sum is σ = 1188581064. Its totient is φ = 785836800.

The previous prime is 986390087. The next prime is 986390113. The reversal of 986390105 is 501093689.

It can be written as a sum of positive squares in 4 ways, for example, as 108097609 + 878292496 = 10397^2 + 29636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 986390105 - 2¹⁶ = 986324569 is a prime.

It is a super-2 number, since 2×986390105² = 1945930878483822050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408086 + ... + 410495.

It is an arithmetic number, because the mean of its divisors is an integer number (148572633).

Almost surely, 2^986390105 is an apocalyptic number.

It is an amenable number.

986390105 is a deficient number, since it is larger than the sum of its proper divisors (202190959).

986390105 is a wasteful number, since it uses less digits than its factorization.

986390105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818827.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 986390105 is about 31406.8480589823. The cubic root of 986390105 is about 995.4426302661.

The spelling of 986390105 in words is "nine hundred eighty-six million, three hundred ninety thousand, one hundred five".