899705 has 8 divisors (see below), whose sum is σ = 1090752. Its totient is φ = 712368.

The previous prime is 899693. The next prime is 899711. The reversal of 899705 is 507998.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899705 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 359 + ... + 1388.

It is an arithmetic number, because the mean of its divisors is an integer number (136344).

2⁸⁹⁹⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

899705 is a deficient number, since it is larger than the sum of its proper divisors (191047).

899705 is a wasteful number, since it uses less digits than its factorization.

899705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 899705 is about 948.5278066562. The cubic root of 899705 is about 96.5383884423.

The spelling of 899705 in words is "eight hundred ninety-nine thousand, seven hundred five".