6890065 has 32 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 4126464.

The previous prime is 6890063. The next prime is 6890077. The reversal of 6890065 is 5600986.

It is a cyclic number.

It is not a de Polignac number, because 6890065 - 2¹ = 6890063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6890065.

It is not an unprimeable number, because it can be changed into a prime (6890063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8247 + ... + 9043.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 2^6890065 is an apocalyptic number.

6890065 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6890065 is a deficient number, since it is larger than the sum of its proper divisors (3835055).

6890065 is a wasteful number, since it uses less digits than its factorization.

6890065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 6890065 is about 2624.8933311660. The cubic root of 6890065 is about 190.2864101474.

The spelling of 6890065 in words is "six million, eight hundred ninety thousand, sixty-five".