6489788 has 24 divisors (see below), whose sum is σ = 11827200. Its totient is φ = 3112560.

The previous prime is 6489781. The next prime is 6489793. The reversal of 6489788 is 8879846.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489781) 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, 24545 + ... + 24807.

It is an arithmetic number, because the mean of its divisors is an integer number (492800).

Almost surely, 2^6489788 is an apocalyptic number.

It is an amenable number.

6489788 is a deficient number, since it is larger than the sum of its proper divisors (5337412).

6489788 is a wasteful number, since it uses less digits than its factorization.

6489788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 6489788 is about 2547.5062315920. The cubic root of 6489788 is about 186.5277722443.

The spelling of 6489788 in words is "six million, four hundred eighty-nine thousand, seven hundred eighty-eight".