549270 has 48 divisors (see below), whose sum is σ = 1516320. Its totient is φ = 137472.

The previous prime is 549259. The next prime is 549281. The reversal of 549270 is 72945.

It is an interprime number because it is at equal distance from previous prime (549259) and next prime (549281).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

549270 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 23 ways as a sum of consecutive naturals, for example, 1351 + ... + 1709.

It is an arithmetic number, because the mean of its divisors is an integer number (31590).

2⁵⁴⁹²⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758160).

549270 is an abundant number, since it is smaller than the sum of its proper divisors (967050).

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

549270 is a wasteful number, since it uses less digits than its factorization.

549270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 549270 is about 741.1275193919. The cubic root of 549270 is about 81.8958622517.

The spelling of 549270 in words is "five hundred forty-nine thousand, two hundred seventy".