10199859 has 8 divisors (see below), whose sum is σ = 13681920. Its totient is φ = 6758856.

The previous prime is 10199831. The next prime is 10199911. The reversal of 10199859 is 95899101.

10199859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10199859 - 2¹² = 10195763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10199859.

It is not an unprimeable number, because it can be changed into a prime (10199809) 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 7 ways as a sum of consecutive naturals, for example, 9679 + ... + 10680.

It is an arithmetic number, because the mean of its divisors is an integer number (1710240).

Almost surely, 2^10199859 is an apocalyptic number.

10199859 is a deficient number, since it is larger than the sum of its proper divisors (3482061).

10199859 is a wasteful number, since it uses less digits than its factorization.

10199859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20529.

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 10199859 is about 3193.7218100517. The cubic root of 10199859 is about 216.8692892161.

It can be divided in two parts, 1019 and 9859, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 10199859 in words is "ten million, one hundred ninety-nine thousand, eight hundred fifty-nine".