6456659 has 8 divisors (see below), whose sum is σ = 7062528. Its totient is φ = 5853960.

The previous prime is 6456641. The next prime is 6456661. The reversal of 6456659 is 9566546.

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

It is a cyclic number.

It is not a de Polignac number, because 6456659 - 2⁸ = 6456403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6456679) 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, 6194 + ... + 7160.

It is an arithmetic number, because the mean of its divisors is an integer number (882816).

Almost surely, 2^6456659 is an apocalyptic number.

6456659 is a deficient number, since it is larger than the sum of its proper divisors (605869).

6456659 is a wasteful number, since it uses less digits than its factorization.

6456659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585.

The product of its digits is 194400, while the sum is 41.

The square root of 6456659 is about 2540.9956709920. The cubic root of 6456659 is about 186.2098356406.

The spelling of 6456659 in words is "six million, four hundred fifty-six thousand, six hundred fifty-nine".