6499389 has 16 divisors (see below), whose sum is σ = 9882432. Its totient is φ = 3763968.

The previous prime is 6499379. The next prime is 6499391. The reversal of 6499389 is 9839946.

It is a happy number.

It is not a de Polignac number, because 6499389 - 2⁴ = 6499373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6499369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4239 + ... + 5564.

It is an arithmetic number, because the mean of its divisors is an integer number (617652).

Almost surely, 2^6499389 is an apocalyptic number.

It is an amenable number.

6499389 is a deficient number, since it is larger than the sum of its proper divisors (3383043).

6499389 is a wasteful number, since it uses less digits than its factorization.

6499389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9836.

The product of its digits is 419904, while the sum is 48.

The square root of 6499389 is about 2549.3899270218. The cubic root of 6499389 is about 186.6197100568.

The spelling of 6499389 in words is "six million, four hundred ninety-nine thousand, three hundred eighty-nine".