6985135 has 16 divisors (see below), whose sum is σ = 8753184. Its totient is φ = 5346432.

The previous prime is 6985133. The next prime is 6985157. The reversal of 6985135 is 5315896.

It is a cyclic number.

It is not a de Polignac number, because 6985135 - 2¹ = 6985133 is a prime.

It is a super-2 number, since 2×6985135² = 97584221936450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6985094 and 6985103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11089 + ... + 11701.

It is an arithmetic number, because the mean of its divisors is an integer number (547074).

Almost surely, 2^6985135 is an apocalyptic number.

6985135 is a deficient number, since it is larger than the sum of its proper divisors (1768049).

6985135 is a wasteful number, since it uses less digits than its factorization.

6985135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its digits is 32400, while the sum is 37.

The square root of 6985135 is about 2642.9405971380. The cubic root of 6985135 is about 191.1576141142.

The spelling of 6985135 in words is "six million, nine hundred eighty-five thousand, one hundred thirty-five".