6198618 has 16 divisors (see below), whose sum is σ = 12440160. Its totient is φ = 2059056.

The previous prime is 6198611. The next prime is 6198631. The reversal of 6198618 is 8168916.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6198611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 273 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (777510).

Almost surely, 2^6198618 is an apocalyptic number.

6198618 is an abundant number, since it is smaller than the sum of its proper divisors (6241542).

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

6198618 is a wasteful number, since it uses less digits than its factorization.

6198618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581.

The product of its digits is 20736, while the sum is 39.

The square root of 6198618 is about 2489.7023918533. The cubic root of 6198618 is about 183.6954042068.

The spelling of 6198618 in words is "six million, one hundred ninety-eight thousand, six hundred eighteen".