6197878 has 4 divisors (see below), whose sum is σ = 9296820. Its totient is φ = 3098938.

The previous prime is 6197869. The next prime is 6197881. The reversal of 6197878 is 8787916.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1549468 + ... + 1549471.

It is an arithmetic number, because the mean of its divisors is an integer number (2324205).

Almost surely, 2^6197878 is an apocalyptic number.

6197878 is a deficient number, since it is larger than the sum of its proper divisors (3098942).

6197878 is a wasteful number, since it uses less digits than its factorization.

6197878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098941.

The product of its digits is 169344, while the sum is 46.

The square root of 6197878 is about 2489.5537752778. The cubic root of 6197878 is about 183.6880939747.

The spelling of 6197878 in words is "six million, one hundred ninety-seven thousand, eight hundred seventy-eight".