6889049 has 2 divisors, whose sum is σ = 6889050. Its totient is φ = 6889048.

The previous prime is 6889031. The next prime is 6889079. The reversal of 6889049 is 9409886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6864400 + 24649 = 2620^2 + 157^2 .

It is a cyclic number.

It is not a de Polignac number, because 6889049 - 2⁸ = 6888793 is a prime.

It is a super-2 number, since 2×6889049² = 94917992248802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6889009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444524 + 3444525.

It is an arithmetic number, because the mean of its divisors is an integer number (3444525).

Almost surely, 2^6889049 is an apocalyptic number.

It is an amenable number.

6889049 is a deficient number, since it is larger than the sum of its proper divisors (1).

6889049 is an equidigital number, since it uses as much as digits as its factorization.

6889049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 6889049 is about 2624.6997923572. The cubic root of 6889049 is about 190.2770565590.

The spelling of 6889049 in words is "six million, eight hundred eighty-nine thousand, forty-nine".