6946878 has 16 divisors (see below), whose sum is σ = 13919616. Its totient is φ = 2311320.

The previous prime is 6946867. The next prime is 6946889. The reversal of 6946878 is 8786496.

It is an interprime number because it is at equal distance from previous prime (6946867) and next prime (6946889).

It is a super-2 number, since 2×6946878² = 96518227893768, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5625 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (869976).

Almost surely, 2^6946878 is an apocalyptic number.

6946878 is an abundant number, since it is smaller than the sum of its proper divisors (6972738).

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

6946878 is a wasteful number, since it uses less digits than its factorization.

6946878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its digits is 580608, while the sum is 48.

The square root of 6946878 is about 2635.6930777312. The cubic root of 6946878 is about 190.8079902951.

The spelling of 6946878 in words is "six million, nine hundred forty-six thousand, eight hundred seventy-eight".