6634879 has 16 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 5864320.

The previous prime is 6634871. The next prime is 6634889. The reversal of 6634879 is 9784366.

It is a happy number.

It is not a de Polignac number, because 6634879 - 2³ = 6634871 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 (6634871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27642 + ... + 27880.

It is an arithmetic number, because the mean of its divisors is an integer number (466560).

Almost surely, 2^6634879 is an apocalyptic number.

6634879 is a deficient number, since it is larger than the sum of its proper divisors (830081).

6634879 is a wasteful number, since it uses less digits than its factorization.

6634879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its digits is 217728, while the sum is 43.

The square root of 6634879 is about 2575.8258869730. The cubic root of 6634879 is about 187.9075956791.

The spelling of 6634879 in words is "six million, six hundred thirty-four thousand, eight hundred seventy-nine".