6878890 has 16 divisors (see below), whose sum is σ = 12568032. Its totient is φ = 2710224.

The previous prime is 6878867. The next prime is 6878891. The reversal of 6878890 is 988786.

It is a self number, because there is not a number n which added to its sum of digits gives 6878890.

It is not an unprimeable number, because it can be changed into a prime (6878891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (785502).

Almost surely, 2^6878890 is an apocalyptic number.

6878890 is a deficient number, since it is larger than the sum of its proper divisors (5689142).

6878890 is a wasteful number, since it uses less digits than its factorization.

6878890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10341.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 6878890 is about 2622.7638094194. The cubic root of 6878890 is about 190.1834792703.

The spelling of 6878890 in words is "six million, eight hundred seventy-eight thousand, eight hundred ninety".