4445198 has 4 divisors (see below), whose sum is σ = 6667800. Its totient is φ = 2222598.

The previous prime is 4445197. The next prime is 4445201. The reversal of 4445198 is 8915444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111298 + ... + 1111301.

It is an arithmetic number, because the mean of its divisors is an integer number (1666950).

Almost surely, 2^4445198 is an apocalyptic number.

4445198 is a deficient number, since it is larger than the sum of its proper divisors (2222602).

4445198 is a wasteful number, since it uses less digits than its factorization.

4445198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222601.

The product of its digits is 23040, while the sum is 35.

The square root of 4445198 is about 2108.3638205964. The cubic root of 4445198 is about 164.4234299026.

The spelling of 4445198 in words is "four million, four hundred forty-five thousand, one hundred ninety-eight".