10204986 has 16 divisors (see below), whose sum is σ = 22265568. Its totient is φ = 3092400.

The previous prime is 10204979. The next prime is 10205009. The reversal of 10204986 is 68940201.

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, 77245 + ... + 77376.

It is an arithmetic number, because the mean of its divisors is an integer number (1391598).

Almost surely, 2^10204986 is an apocalyptic number.

10204986 is an abundant number, since it is smaller than the sum of its proper divisors (12060582).

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

10204986 is a wasteful number, since it uses less digits than its factorization.

10204986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154637.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 10204986 is about 3194.5243777439. The cubic root of 10204986 is about 216.9056198687.

It can be divided in two parts, 1020 and 4986, that added together give a palindrome (6006).

The spelling of 10204986 in words is "ten million, two hundred four thousand, nine hundred eighty-six".