5518198 has 8 divisors (see below), whose sum is σ = 9459792. Its totient is φ = 2364936.

The previous prime is 5518171. The next prime is 5518241. The reversal of 5518198 is 8918155.

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

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, 197065 + ... + 197092.

It is an arithmetic number, because the mean of its divisors is an integer number (1182474).

Almost surely, 2^5518198 is an apocalyptic number.

5518198 is a deficient number, since it is larger than the sum of its proper divisors (3941594).

5518198 is a wasteful number, since it uses less digits than its factorization.

5518198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394166.

The product of its digits is 14400, while the sum is 37.

The square root of 5518198 is about 2349.0845025243. The cubic root of 5518198 is about 176.7118851065.

The spelling of 5518198 in words is "five million, five hundred eighteen thousand, one hundred ninety-eight".