10186945 has 16 divisors (see below), whose sum is σ = 12968640. Its totient is φ = 7660224.

The previous prime is 10186933. The next prime is 10186991. The reversal of 10186945 is 54968101.

It is a cyclic number.

It is not a de Polignac number, because 10186945 - 2²¹ = 8089793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10186945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14574 + ... + 15256.

It is an arithmetic number, because the mean of its divisors is an integer number (810540).

Almost surely, 2^10186945 is an apocalyptic number.

It is an amenable number.

10186945 is a deficient number, since it is larger than the sum of its proper divisors (2781695).

10186945 is a wasteful number, since it uses less digits than its factorization.

10186945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 10186945 is about 3191.6993906068. The cubic root of 10186945 is about 216.7777247871. Note that the first 4 decimals are identical.

The spelling of 10186945 in words is "ten million, one hundred eighty-six thousand, nine hundred forty-five".