3988198 has 8 divisors (see below), whose sum is σ = 5993208. Its totient is φ = 1990464.

The previous prime is 3988151. The next prime is 3988213. The reversal of 3988198 is 8918893.

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, 136 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (749151).

Almost surely, 2^3988198 is an apocalyptic number.

3988198 is a deficient number, since it is larger than the sum of its proper divisors (2005010).

3988198 is a wasteful number, since it uses less digits than its factorization.

3988198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638.

The product of its digits is 124416, while the sum is 46.

The square root of 3988198 is about 1997.0473204208. The cubic root of 3988198 is about 158.5838305063.

It can be divided in two parts, 3988 and 198, that added together give a triangular number (4186 = T₉₁).

The spelling of 3988198 in words is "three million, nine hundred eighty-eight thousand, one hundred ninety-eight".