6506879 has 8 divisors (see below), whose sum is σ = 6648480. Its totient is φ = 6366976.

The previous prime is 6506813. The next prime is 6506881. The reversal of 6506879 is 9786056.

It is a happy number.

6506879 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6506879 - 2¹⁶ = 6441343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506779) 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, 9734 + ... + 10380.

It is an arithmetic number, because the mean of its divisors is an integer number (831060).

Almost surely, 2^6506879 is an apocalyptic number.

6506879 is a deficient number, since it is larger than the sum of its proper divisors (141601).

6506879 is a wasteful number, since it uses less digits than its factorization.

6506879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 6506879 is about 2550.8584829426. The cubic root of 6506879 is about 186.6913703842.

The spelling of 6506879 in words is "six million, five hundred six thousand, eight hundred seventy-nine".