4198155 has 16 divisors (see below), whose sum is σ = 7234080. Its totient is φ = 2066688.

The previous prime is 4198141. The next prime is 4198211. The reversal of 4198155 is 5518914.

It is not a de Polignac number, because 4198155 - 2¹⁶ = 4132619 is a prime.

4198155 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10570 + ... + 10959.

It is an arithmetic number, because the mean of its divisors is an integer number (452130).

Almost surely, 2^4198155 is an apocalyptic number.

4198155 is a deficient number, since it is larger than the sum of its proper divisors (3035925).

4198155 is a wasteful number, since it uses less digits than its factorization.

4198155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21550.

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

The square root of 4198155 is about 2048.9399698381. The cubic root of 4198155 is about 161.3192359370.

The spelling of 4198155 in words is "four million, one hundred ninety-eight thousand, one hundred fifty-five".