985715 has 8 divisors (see below), whose sum is σ = 1192320. Its totient is φ = 782272.

The previous prime is 985709. The next prime is 985723. The reversal of 985715 is 517589.

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-985715 is a prime.

It is a super-2 number, since 2×985715² = 1943268122450, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 35 + ... + 1404.

It is an arithmetic number, because the mean of its divisors is an integer number (149040).

2⁹⁸⁵⁷¹⁵ is an apocalyptic number.

985715 is a deficient number, since it is larger than the sum of its proper divisors (206605).

985715 is a wasteful number, since it uses less digits than its factorization.

985715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its digits is 12600, while the sum is 35.

The square root of 985715 is about 992.8318085154. The cubic root of 985715 is about 99.5215478193.

The spelling of 985715 in words is "nine hundred eighty-five thousand, seven hundred fifteen".