6791985 has 16 divisors (see below), whose sum is σ = 12074880. Its totient is φ = 3622320.

The previous prime is 6791971. The next prime is 6791999. The reversal of 6791985 is 5891976.

6791985 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6791971) and next prime (6791999).

It is not a de Polignac number, because 6791985 - 2¹² = 6787889 is a prime.

It is a super-2 number, since 2×6791985² = 92262120480450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 6791985.

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, 25021 + ... + 25290.

It is an arithmetic number, because the mean of its divisors is an integer number (754680).

Almost surely, 2^6791985 is an apocalyptic number.

It is an amenable number.

6791985 is a deficient number, since it is larger than the sum of its proper divisors (5282895).

6791985 is a wasteful number, since it uses less digits than its factorization.

6791985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50325 (or 50319 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 6791985 is about 2606.1437028683. The cubic root of 6791985 is about 189.3791833210.

Subtracting from 6791985 its reverse (5891976), we obtain a palindrome (900009).

It can be divided in two parts, 6791 and 985, that added together give a 5-th power (7776 = 6⁵).

The spelling of 6791985 in words is "six million, seven hundred ninety-one thousand, nine hundred eighty-five".