10285639 has 24 divisors (see below), whose sum is σ = 13131888. Its totient is φ = 7983360.

The previous prime is 10285607. The next prime is 10285651. The reversal of 10285639 is 93658201.

It is not a de Polignac number, because 10285639 - 2⁵ = 10285607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10285679) 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 23 ways as a sum of consecutive naturals, for example, 42559 + ... + 42799.

It is an arithmetic number, because the mean of its divisors is an integer number (547162).

Almost surely, 2^10285639 is an apocalyptic number.

10285639 is a deficient number, since it is larger than the sum of its proper divisors (2846249).

10285639 is a wasteful number, since it uses less digits than its factorization.

10285639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 10285639 is about 3207.1231657047. The cubic root of 10285639 is about 217.4755439979.

The spelling of 10285639 in words is "ten million, two hundred eighty-five thousand, six hundred thirty-nine".