10420986 has 8 divisors (see below), whose sum is σ = 20841984. Its totient is φ = 3473660.

The previous prime is 10420961. The next prime is 10420997. The reversal of 10420986 is 68902401.

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

10420986 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 868410 + ... + 868421.

It is an arithmetic number, because the mean of its divisors is an integer number (2605248).

Almost surely, 2^10420986 is an apocalyptic number.

10420986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10420986 is a wasteful number, since it uses less digits than its factorization.

10420986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736836.

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

The square root of 10420986 is about 3228.1552007300. The cubic root of 10420986 is about 218.4252982945.

The spelling of 10420986 in words is "ten million, four hundred twenty thousand, nine hundred eighty-six".