3658198 has 8 divisors (see below), whose sum is σ = 5604192. Its totient is φ = 1790136.

The previous prime is 3658189. The next prime is 3658199. The reversal of 3658198 is 8918563.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3658198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3658199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19365 + ... + 19552.

It is an arithmetic number, because the mean of its divisors is an integer number (700524).

Almost surely, 2^3658198 is an apocalyptic number.

3658198 is a deficient number, since it is larger than the sum of its proper divisors (1945994).

3658198 is a wasteful number, since it uses less digits than its factorization.

3658198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38966.

The product of its digits is 51840, while the sum is 40.

The square root of 3658198 is about 1912.6416287428. The cubic root of 3658198 is about 154.0833584802.

The spelling of 3658198 in words is "three million, six hundred fifty-eight thousand, one hundred ninety-eight".