7873985 has 16 divisors (see below), whose sum is σ = 10845696. Its totient is φ = 5375808.

The previous prime is 7873979. The next prime is 7874011. The reversal of 7873985 is 5893787.

It is a cyclic number.

It is not a de Polignac number, because 7873985 - 2¹² = 7869889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12539 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (677856).

Almost surely, 2^7873985 is an apocalyptic number.

It is an amenable number.

7873985 is a deficient number, since it is larger than the sum of its proper divisors (2971711).

7873985 is a wasteful number, since it uses less digits than its factorization.

7873985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 423360, while the sum is 47.

The square root of 7873985 is about 2806.0621874791. The cubic root of 7873985 is about 198.9443124232.

The spelling of 7873985 in words is "seven million, eight hundred seventy-three thousand, nine hundred eighty-five".