549492 has 24 divisors (see below), whose sum is σ = 1327200. Its totient is φ = 176736.

The previous prime is 549481. The next prime is 549503. The reversal of 549492 is 294945.

It is an interprime number because it is at equal distance from previous prime (549481) and next prime (549503).

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

It is a congruent number.

It is an unprimeable number.

549492 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 7 ways as a sum of consecutive naturals, for example, 442 + ... + 1137.

It is an arithmetic number, because the mean of its divisors is an integer number (55300).

2⁵⁴⁹⁴⁹² is an apocalyptic number.

It is an amenable number.

549492 is an abundant number, since it is smaller than the sum of its proper divisors (777708).

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

549492 is a wasteful number, since it uses less digits than its factorization.

549492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1613 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 549492 is about 741.2772760580. The cubic root of 549492 is about 81.9068941258.

The spelling of 549492 in words is "five hundred forty-nine thousand, four hundred ninety-two".