6984878 has 4 divisors (see below), whose sum is σ = 10477320. Its totient is φ = 3492438.

The previous prime is 6984797. The next prime is 6984881. The reversal of 6984878 is 8784896.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746218 + ... + 1746221.

It is an arithmetic number, because the mean of its divisors is an integer number (2619330).

Almost surely, 2^6984878 is an apocalyptic number.

6984878 is a deficient number, since it is larger than the sum of its proper divisors (3492442).

6984878 is a wasteful number, since it uses less digits than its factorization.

6984878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492441.

The product of its digits is 774144, while the sum is 50.

The square root of 6984878 is about 2642.8919766044. The cubic root of 6984878 is about 191.1552697019.

The spelling of 6984878 in words is "six million, nine hundred eighty-four thousand, eight hundred seventy-eight".