4155198 has 16 divisors (see below), whose sum is σ = 8447376. Its totient is φ = 1362240.

The previous prime is 4155197. The next prime is 4155247. The reversal of 4155198 is 8915514.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5311 + ... + 6042.

It is an arithmetic number, because the mean of its divisors is an integer number (527961).

Almost surely, 2^4155198 is an apocalyptic number.

4155198 is an abundant number, since it is smaller than the sum of its proper divisors (4292178).

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

4155198 is a wasteful number, since it uses less digits than its factorization.

4155198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11419.

The product of its digits is 7200, while the sum is 33.

The square root of 4155198 is about 2038.4302784250. The cubic root of 4155198 is about 160.7671234239.

The spelling of 4155198 in words is "four million, one hundred fifty-five thousand, one hundred ninety-eight".