6430879 has 16 divisors (see below), whose sum is σ = 8382528. Its totient is φ = 4787712.

The previous prime is 6430849. The next prime is 6430883. The reversal of 6430879 is 9780346.

It is a cyclic number.

It is not a de Polignac number, because 6430879 - 2⁵ = 6430847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430819) 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, 532 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (523908).

Almost surely, 2^6430879 is an apocalyptic number.

6430879 is a deficient number, since it is larger than the sum of its proper divisors (1951649).

6430879 is a wasteful number, since it uses less digits than its factorization.

6430879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6430879 is about 2535.9177825789. The cubic root of 6430879 is about 185.9616736078.

The spelling of 6430879 in words is "six million, four hundred thirty thousand, eight hundred seventy-nine".