103009986 has 24 divisors (see below), whose sum is σ = 223483260. Its totient is φ = 34291296.

The previous prime is 103009979. The next prime is 103009997. The reversal of 103009986 is 689900301.

It can be written as a sum of positive squares in 2 ways, for example, as 99380961 + 3629025 = 9969^2 + 1905^2 .

It is a super-2 number, since 2×103009986² = 21222114431440392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103009986.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12000 + ... + 18708.

Almost surely, 2^103009986 is an apocalyptic number.

103009986 is an abundant number, since it is smaller than the sum of its proper divisors (120473274).

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

103009986 is a wasteful number, since it uses less digits than its factorization.

103009986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570 (or 7567 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 103009986 is about 10149.3835280770. The cubic root of 103009986 is about 468.7699630965.

The spelling of 103009986 in words is "one hundred three million, nine thousand, nine hundred eighty-six".