2658198 has 16 divisors (see below), whose sum is σ = 5500080. Its totient is φ = 855456.

The previous prime is 2658193. The next prime is 2658199. The reversal of 2658198 is 8918562.

2658198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658193) by changing a digit.

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, 7465 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (343755).

2^2658198 is an apocalyptic number.

2658198 is an abundant number, since it is smaller than the sum of its proper divisors (2841882).

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

2658198 is a wasteful number, since it uses less digits than its factorization.

2658198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15311.

The product of its digits is 34560, while the sum is 39.

The square root of 2658198 is about 1630.3981108919. The cubic root of 2658198 is about 138.5253030616.

The spelling of 2658198 in words is "two million, six hundred fifty-eight thousand, one hundred ninety-eight".