549198 has 24 divisors (see below), whose sum is σ = 1282008. Its totient is φ = 168912.

The previous prime is 549193. The next prime is 549203. The reversal of 549198 is 891945.

It is an interprime number because it is at equal distance from previous prime (549193) and next prime (549203).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549193) by changing a digit.

549198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940 + ... + 1407.

It is an arithmetic number, because the mean of its divisors is an integer number (53417).

2⁵⁴⁹¹⁹⁸ is an apocalyptic number.

549198 is an abundant number, since it is smaller than the sum of its proper divisors (732810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549198 is a wasteful number, since it uses less digits than its factorization.

549198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2365 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 549198 is about 741.0789431633. The cubic root of 549198 is about 81.8922837082.

It can be divided in two parts, 549 and 198, that added together give a palindrome (747).

The spelling of 549198 in words is "five hundred forty-nine thousand, one hundred ninety-eight".