6985105 has 4 divisors (see below), whose sum is σ = 8382132. Its totient is φ = 5588080.

The previous prime is 6985081. The next prime is 6985133. The reversal of 6985105 is 5015896.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3359889 + 3625216 = 1833^2 + 1904^2 .

It is not a de Polignac number, because 6985105 - 2⁵ = 6985073 is a prime.

It is a super-2 number, since 2×6985105² = 97583383722050, which contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 698506 + ... + 698515.

It is an arithmetic number, because the mean of its divisors is an integer number (2095533).

Almost surely, 2^6985105 is an apocalyptic number.

It is an amenable number.

6985105 is a deficient number, since it is larger than the sum of its proper divisors (1397027).

6985105 is a wasteful number, since it uses less digits than its factorization.

6985105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397026.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 6985105 is about 2642.9349216354. The cubic root of 6985105 is about 191.1573404503.

The spelling of 6985105 in words is "six million, nine hundred eighty-five thousand, one hundred five".