6890211 has 8 divisors (see below), whose sum is σ = 10207760. Its totient is φ = 4593456.

The previous prime is 6890209. The next prime is 6890227. The reversal of 6890211 is 1120986.

It is not a de Polignac number, because 6890211 - 2¹ = 6890209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 255193 = 6890211 / (6 + 8 + 9 + 0 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6890231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 127570 + ... + 127623.

It is an arithmetic number, because the mean of its divisors is an integer number (1275970).

Almost surely, 2^6890211 is an apocalyptic number.

6890211 is a deficient number, since it is larger than the sum of its proper divisors (3317549).

6890211 is a wasteful number, since it uses less digits than its factorization.

6890211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255202 (or 255196 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 6890211 is about 2624.9211416726. The cubic root of 6890211 is about 190.2877541899.

The spelling of 6890211 in words is "six million, eight hundred ninety thousand, two hundred eleven".