6880638 has 8 divisors (see below), whose sum is σ = 13761288. Its totient is φ = 2293544.

The previous prime is 6880637. The next prime is 6880649. The reversal of 6880638 is 8360886.

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

6880638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6880596 and 6880605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573381 + ... + 573392.

It is an arithmetic number, because the mean of its divisors is an integer number (1720161).

Almost surely, 2^6880638 is an apocalyptic number.

6880638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6880638 is a wasteful number, since it uses less digits than its factorization.

6880638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146778.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 6880638 is about 2623.0970245113. The cubic root of 6880638 is about 190.1995871291.

The spelling of 6880638 in words is "six million, eight hundred eighty thousand, six hundred thirty-eight".