985315 has 4 divisors (see below), whose sum is σ = 1182384. Its totient is φ = 788248.

The previous prime is 985307. The next prime is 985331. The reversal of 985315 is 513589.

985315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513589 = 19 ⋅27031.

It is a cyclic number.

It is not a de Polignac number, because 985315 - 2³ = 985307 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98527 + ... + 98536.

It is an arithmetic number, because the mean of its divisors is an integer number (295596).

2⁹⁸⁵³¹⁵ is an apocalyptic number.

985315 is a deficient number, since it is larger than the sum of its proper divisors (197069).

985315 is a wasteful number, since it uses less digits than its factorization.

985315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197068.

The product of its digits is 5400, while the sum is 31.

The square root of 985315 is about 992.6303440859. The cubic root of 985315 is about 99.5080841558.

The spelling of 985315 in words is "nine hundred eighty-five thousand, three hundred fifteen".