10018986 has 16 divisors (see below), whose sum is σ = 20088000. Its totient is φ = 3331328.

The previous prime is 10018973. The next prime is 10018991. The reversal of 10018986 is 68981001.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835 + ... + 4553.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500).

Almost surely, 2^10018986 is an apocalyptic number.

10018986 is an abundant number, since it is smaller than the sum of its proper divisors (10069014).

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

10018986 is a wasteful number, since it uses less digits than its factorization.

10018986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 10018986 is about 3165.2781868266. The cubic root of 10018986 is about 215.5797297947.

Adding to 10018986 its reverse (68981001), we get a palindrome (78999987).

The spelling of 10018986 in words is "ten million, eighteen thousand, nine hundred eighty-six".