6489530 has 8 divisors (see below), whose sum is σ = 11681172. Its totient is φ = 2595808.

The previous prime is 6489499. The next prime is 6489551. The reversal of 6489530 is 359846.

It can be written as a sum of positive squares in 2 ways, for example, as 6416089 + 73441 = 2533^2 + 271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6489530² = 84227999241800, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 324467 + ... + 324486.

Almost surely, 2^6489530 is an apocalyptic number.

6489530 is a deficient number, since it is larger than the sum of its proper divisors (5191642).

6489530 is a wasteful number, since it uses less digits than its factorization.

6489530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648960.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 6489530 is about 2547.4555933323. The cubic root of 6489530 is about 186.5253004223.

The spelling of 6489530 in words is "six million, four hundred eighty-nine thousand, five hundred thirty".