6438876 has 24 divisors (see below), whose sum is σ = 15101184. Its totient is φ = 2135280.

The previous prime is 6438871. The next prime is 6438877. The reversal of 6438876 is 6788346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438871) 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, 1261 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (629216).

Almost surely, 2^6438876 is an apocalyptic number.

It is an amenable number.

6438876 is an abundant number, since it is smaller than the sum of its proper divisors (8662308).

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

6438876 is a wasteful number, since it uses less digits than its factorization.

6438876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761 (or 2759 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 6438876 is about 2537.4940394019. The cubic root of 6438876 is about 186.0387247385.

The spelling of 6438876 in words is "six million, four hundred thirty-eight thousand, eight hundred seventy-six".