6489506 has 4 divisors (see below), whose sum is σ = 9734262. Its totient is φ = 3244752.

The previous prime is 6489499. The next prime is 6489551. The reversal of 6489506 is 6059846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3900625 + 2588881 = 1975^2 + 1609^2 .

It is a super-2 number, since 2×6489506² = 84227376248072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6489506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622375 + ... + 1622378.

Almost surely, 2^6489506 is an apocalyptic number.

6489506 is a deficient number, since it is larger than the sum of its proper divisors (3244756).

6489506 is a wasteful number, since it uses less digits than its factorization.

6489506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244755.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6489506 is about 2547.4508827453. The cubic root of 6489506 is about 186.5250704820.

The spelling of 6489506 in words is "six million, four hundred eighty-nine thousand, five hundred six".