6488893 has 2 divisors, whose sum is σ = 6488894. Its totient is φ = 6488892.

The previous prime is 6488887. The next prime is 6488939. The reversal of 6488893 is 3988846.

It is an a-pointer prime, because the next prime (6488939) can be obtained adding 6488893 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5184729 + 1304164 = 2277^2 + 1142^2 .

It is a cyclic number.

It is not a de Polignac number, because 6488893 - 2²¹ = 4391741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6488693) 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 as a sum of consecutive naturals, namely, 3244446 + 3244447.

It is an arithmetic number, because the mean of its divisors is an integer number (3244447).

Almost surely, 2^6488893 is an apocalyptic number.

It is an amenable number.

6488893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6488893 is an equidigital number, since it uses as much as digits as its factorization.

6488893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 46.

The square root of 6488893 is about 2547.3305635508. The cubic root of 6488893 is about 186.5191972323.

It can be divided in two parts, 6488 and 893, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 6488893 in words is "six million, four hundred eighty-eight thousand, eight hundred ninety-three".