6878494 has 24 divisors (see below), whose sum is σ = 12454128. Its totient is φ = 2790720.

The previous prime is 6878491. The next prime is 6878519. The reversal of 6878494 is 4948786.

It is a happy number.

It is a super-3 number, since 3×6878494³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6878491) 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 11 ways as a sum of consecutive naturals, for example, 4374 + ... + 5734.

It is an arithmetic number, because the mean of its divisors is an integer number (518922).

Almost surely, 2^6878494 is an apocalyptic number.

6878494 is a deficient number, since it is larger than the sum of its proper divisors (5575634).

6878494 is a wasteful number, since it uses less digits than its factorization.

6878494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1389 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 6878494 is about 2622.6883154504. The cubic root of 6878494 is about 190.1798297424.

The spelling of 6878494 in words is "six million, eight hundred seventy-eight thousand, four hundred ninety-four".