6489490 has 16 divisors (see below), whose sum is σ = 13349952. Its totient is φ = 2224944.

The previous prime is 6489487. The next prime is 6489491. The reversal of 6489490 is 949846.

It is a super-2 number, since 2×6489490² = 84226960920200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6489491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46284 + ... + 46423.

It is an arithmetic number, because the mean of its divisors is an integer number (834372).

Almost surely, 2^6489490 is an apocalyptic number.

6489490 is an abundant number, since it is smaller than the sum of its proper divisors (6860462).

6489490 is a wasteful number, since it uses less digits than its factorization.

6489490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92721.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 6489490 is about 2547.4477423492. The cubic root of 6489490 is about 186.5249171882.

The spelling of 6489490 in words is "six million, four hundred eighty-nine thousand, four hundred ninety".