6459906 has 8 divisors (see below), whose sum is σ = 12919824. Its totient is φ = 2153300.

The previous prime is 6459899. The next prime is 6459907. The reversal of 6459906 is 6099546.

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

6459906 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6459907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538320 + ... + 538331.

It is an arithmetic number, because the mean of its divisors is an integer number (1614978).

Almost surely, 2^6459906 is an apocalyptic number.

6459906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6459906 is a wasteful number, since it uses less digits than its factorization.

6459906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076656.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 6459906 is about 2541.6345134578. The cubic root of 6459906 is about 186.2410448677.

The spelling of 6459906 in words is "six million, four hundred fifty-nine thousand, nine hundred six".