4018198 has 8 divisors (see below), whose sum is σ = 6039792. Its totient is φ = 2004936.

The previous prime is 4018181. The next prime is 4018207. The reversal of 4018198 is 8918104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4018198² = 32291830334408, which contains 22 as substring.

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, 690 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (754974).

Almost surely, 2^4018198 is an apocalyptic number.

4018198 is a deficient number, since it is larger than the sum of its proper divisors (2021594).

4018198 is a wasteful number, since it uses less digits than its factorization.

4018198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 4018198 is about 2004.5443372497. The cubic root of 4018198 is about 158.9804704202.

The spelling of 4018198 in words is "four million, eighteen thousand, one hundred ninety-eight".