4198855 has 4 divisors (see below), whose sum is σ = 5038632. Its totient is φ = 3359080.

The previous prime is 4198837. The next prime is 4198877. The reversal of 4198855 is 5588914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5588914 = 2 ⋅2794457.

It is not a de Polignac number, because 4198855 - 2⁹ = 4198343 is a prime.

It is a super-2 number, since 2×4198855² = 35260766622050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419881 + ... + 419890.

It is an arithmetic number, because the mean of its divisors is an integer number (1259658).

Almost surely, 2^4198855 is an apocalyptic number.

4198855 is a deficient number, since it is larger than the sum of its proper divisors (839777).

4198855 is an equidigital number, since it uses as much as digits as its factorization.

4198855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839776.

The product of its digits is 57600, while the sum is 40.

The square root of 4198855 is about 2049.1107827543. The cubic root of 4198855 is about 161.3282015572.

The spelling of 4198855 in words is "four million, one hundred ninety-eight thousand, eight hundred fifty-five".