6288889 has 2 divisors, whose sum is σ = 6288890. Its totient is φ = 6288888.

The previous prime is 6288881. The next prime is 6288899. The reversal of 6288889 is 9888826.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4272489 + 2016400 = 2067^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 6288889 - 2³ = 6288881 is a prime.

It is not a weakly prime, because it can be changed into another prime (6288881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3144444 + 3144445.

It is an arithmetic number, because the mean of its divisors is an integer number (3144445).

Almost surely, 2^6288889 is an apocalyptic number.

It is an amenable number.

6288889 is a deficient number, since it is larger than the sum of its proper divisors (1).

6288889 is an equidigital number, since it uses as much as digits as its factorization.

6288889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 49.

The square root of 6288889 is about 2507.7657386606. The cubic root of 6288889 is about 184.5828340626.

The spelling of 6288889 in words is "six million, two hundred eighty-eight thousand, eight hundred eighty-nine".