10185906 has 8 divisors (see below), whose sum is σ = 20371824. Its totient is φ = 3395300.

The previous prime is 10185893. The next prime is 10185947. The reversal of 10185906 is 60958101.

It is a happy number.

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

10185906 is an admirable 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, 848820 + ... + 848831.

It is an arithmetic number, because the mean of its divisors is an integer number (2546478).

Almost surely, 2^10185906 is an apocalyptic number.

10185906 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.

10185906 is a wasteful number, since it uses less digits than its factorization.

10185906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697656.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 10185906 is about 3191.5366205012. The cubic root of 10185906 is about 216.7703545790.

The spelling of 10185906 in words is "ten million, one hundred eighty-five thousand, nine hundred six".