549234 has 32 divisors (see below), whose sum is σ = 1395840. Its totient is φ = 156816.

The previous prime is 549229. The next prime is 549247. The reversal of 549234 is 432945.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 549198 and 549207.

It is an unprimeable number.

549234 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 15 ways as a sum of consecutive naturals, for example, 349 + ... + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (43620).

2⁵⁴⁹²³⁴ is an apocalyptic number.

549234 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

549234 is an abundant number, since it is smaller than the sum of its proper divisors (846606).

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

549234 is a wasteful number, since it uses less digits than its factorization.

549234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1465 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 549234 is about 741.1032316756. The cubic root of 549234 is about 81.8940730190.

The spelling of 549234 in words is "five hundred forty-nine thousand, two hundred thirty-four".