6459655 has 4 divisors (see below), whose sum is σ = 7751592. Its totient is φ = 5167720.

The previous prime is 6459637. The next prime is 6459659. The reversal of 6459655 is 5569546.

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

It is not a de Polignac number, because 6459655 - 2⁵ = 6459623 is a prime.

It is a Duffinian number.

6459655 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645961 + ... + 645970.

It is an arithmetic number, because the mean of its divisors is an integer number (1937898).

Almost surely, 2^6459655 is an apocalyptic number.

6459655 is a deficient number, since it is larger than the sum of its proper divisors (1291937).

6459655 is a wasteful number, since it uses less digits than its factorization.

6459655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291936.

The product of its digits is 162000, while the sum is 40.

The square root of 6459655 is about 2541.5851353043. The cubic root of 6459655 is about 186.2386327011.

The spelling of 6459655 in words is "six million, four hundred fifty-nine thousand, six hundred fifty-five".