10021086 has 12 divisors (see below), whose sum is σ = 21712392. Its totient is φ = 3340356.

The previous prime is 10021079. The next prime is 10021087. The reversal of 10021086 is 68012001.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 556727 = 10021086 / (1 + 0 + 0 + 2 + 1 + 0 + 8 + 6).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021087) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 278346 + ... + 278381.

It is an arithmetic number, because the mean of its divisors is an integer number (1809366).

Almost surely, 2^10021086 is an apocalyptic number.

10021086 is an abundant number, since it is smaller than the sum of its proper divisors (11691306).

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

10021086 is a wasteful number, since it uses less digits than its factorization.

10021086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556735 (or 556732 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 10021086 is about 3165.6098938435. The cubic root of 10021086 is about 215.5947907269.

Adding to 10021086 its reverse (68012001), we get a palindrome (78033087).

The spelling of 10021086 in words is "ten million, twenty-one thousand, eighty-six".