6889433 has 2 divisors, whose sum is σ = 6889434. Its totient is φ = 6889432.

The previous prime is 6889427. The next prime is 6889451. The reversal of 6889433 is 3349886.

6889433 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6416089 + 473344 = 2533^2 + 688^2 .

It is a cyclic number.

It is not a de Polignac number, because 6889433 - 2¹² = 6885337 is a prime.

It is a super-2 number, since 2×6889433² = 94928574122978, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6² + 8³ + 8⁷ + 9⁴ + 4² + 3⁷ + 3¹⁴ .

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6889453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444716 + 3444717.

It is an arithmetic number, because the mean of its divisors is an integer number (3444717).

Almost surely, 2^6889433 is an apocalyptic number.

It is an amenable number.

6889433 is a deficient number, since it is larger than the sum of its proper divisors (1).

6889433 is an equidigital number, since it uses as much as digits as its factorization.

6889433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 6889433 is about 2624.7729425609. The cubic root of 6889433 is about 190.2805918816.

The spelling of 6889433 in words is "six million, eight hundred eighty-nine thousand, four hundred thirty-three".