6878998 has 8 divisors (see below), whose sum is σ = 11792592. Its totient is φ = 2948136.

The previous prime is 6878983. The next prime is 6879013. The reversal of 6878998 is 8998786.

It is an interprime number because it is at equal distance from previous prime (6878983) and next prime (6879013).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6878998² = 94641226968008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 245665 + ... + 245692.

It is an arithmetic number, because the mean of its divisors is an integer number (1474074).

Almost surely, 2^6878998 is an apocalyptic number.

6878998 is a deficient number, since it is larger than the sum of its proper divisors (4913594).

6878998 is a wasteful number, since it uses less digits than its factorization.

6878998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491366.

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

The square root of 6878998 is about 2622.7843983065. The cubic root of 6878998 is about 190.1844745718.

The spelling of 6878998 in words is "six million, eight hundred seventy-eight thousand, nine hundred ninety-eight".