3668198 has 4 divisors (see below), whose sum is σ = 5502300. Its totient is φ = 1834098.

The previous prime is 3668179. The next prime is 3668213. The reversal of 3668198 is 8918663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8918663 = 13 ⋅686051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 917048 + ... + 917051.

It is an arithmetic number, because the mean of its divisors is an integer number (1375575).

Almost surely, 2^3668198 is an apocalyptic number.

3668198 is a deficient number, since it is larger than the sum of its proper divisors (1834102).

3668198 is a wasteful number, since it uses less digits than its factorization.

3668198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834101.

The product of its digits is 62208, while the sum is 41.

The square root of 3668198 is about 1915.2540301485. The cubic root of 3668198 is about 154.2236307958.

The spelling of 3668198 in words is "three million, six hundred sixty-eight thousand, one hundred ninety-eight".