6459949 has 4 divisors (see below), whose sum is σ = 6839964. Its totient is φ = 6079936.

The previous prime is 6459923. The next prime is 6459979. The reversal of 6459949 is 9499546.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4485924 + 1974025 = 2118^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 6459949 - 2⁹ = 6459437 is a prime.

It is a Duffinian number.

6459949 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6459899 and 6459908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459979) 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, 189982 + ... + 190015.

It is an arithmetic number, because the mean of its divisors is an integer number (1709991).

Almost surely, 2^6459949 is an apocalyptic number.

It is an amenable number.

6459949 is a deficient number, since it is larger than the sum of its proper divisors (380015).

6459949 is a wasteful number, since it uses less digits than its factorization.

6459949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380014.

The product of its digits is 349920, while the sum is 46.

The square root of 6459949 is about 2541.6429725672. The cubic root of 6459949 is about 186.2414581011.

The spelling of 6459949 in words is "six million, four hundred fifty-nine thousand, nine hundred forty-nine".