6987898 has 16 divisors (see below), whose sum is σ = 10913760. Its totient is φ = 3351600.

The previous prime is 6987863. The next prime is 6987907. The reversal of 6987898 is 8987896.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11953 + ... + 12523.

It is an arithmetic number, because the mean of its divisors is an integer number (682110).

Almost surely, 2^6987898 is an apocalyptic number.

6987898 is a deficient number, since it is larger than the sum of its proper divisors (3925862).

6987898 is a wasteful number, since it uses less digits than its factorization.

6987898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813.

The product of its digits is 1741824, while the sum is 55.

The square root of 6987898 is about 2643.4632586817. The cubic root of 6987898 is about 191.1828151954.

The spelling of 6987898 in words is "six million, nine hundred eighty-seven thousand, eight hundred ninety-eight".