6198858 has 24 divisors (see below), whose sum is σ = 13476996. Its totient is φ = 2059200.

The previous prime is 6198851. The next prime is 6198859. The reversal of 6198858 is 8588916.

It can be written as a sum of positive squares in 2 ways, for example, as 6185169 + 13689 = 2487^2 + 117^2 .

It is not an unprimeable number, because it can be changed into a prime (6198851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9048 + ... + 9708.

Almost surely, 2^6198858 is an apocalyptic number.

6198858 is an abundant number, since it is smaller than the sum of its proper divisors (7278138).

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

6198858 is a wasteful number, since it uses less digits than its factorization.

6198858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1187 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 6198858 is about 2489.7505899186. The cubic root of 6198858 is about 183.6977749679.

It can be divided in two parts, 6198 and 858, that added together give a square (7056 = 84²).

The spelling of 6198858 in words is "six million, one hundred ninety-eight thousand, eight hundred fifty-eight".