6489495 has 36 divisors (see below), whose sum is σ = 11973000. Its totient is φ = 3250944.

The previous prime is 6489491. The next prime is 6489499. The reversal of 6489495 is 5949846.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6489491) and next prime (6489499).

It is not a de Polignac number, because 6489495 - 2² = 6489491 is a prime.

It is a super-2 number, since 2×6489495² = 84227090710050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

6489495 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6489495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489491) 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 35 ways as a sum of consecutive naturals, for example, 12756 + ... + 13254.

Almost surely, 2^6489495 is an apocalyptic number.

6489495 is a deficient number, since it is larger than the sum of its proper divisors (5483505).

6489495 is a wasteful number, since it uses less digits than its factorization.

6489495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 524 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 6489495 is about 2547.4487237234. The cubic root of 6489495 is about 186.5249650926.

The spelling of 6489495 in words is "six million, four hundred eighty-nine thousand, four hundred ninety-five".