549894 has 16 divisors (see below), whose sum is σ = 1129968. Its totient is φ = 178272.

The previous prime is 549883. The next prime is 549911. The reversal of 549894 is 498945.

It is a super-2 number, since 2×549894² = 604766822472, which contains 22 as substring.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549894.

It is an unprimeable number.

549894 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, 1017 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (70623).

2⁵⁴⁹⁸⁹⁴ is an apocalyptic number.

549894 is an abundant number, since it is smaller than the sum of its proper divisors (580074).

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

549894 is a wasteful number, since it uses less digits than its factorization.

549894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519.

The product of its digits is 51840, while the sum is 39.

The square root of 549894 is about 741.5483800805. The cubic root of 549894 is about 81.9268632034.

The spelling of 549894 in words is "five hundred forty-nine thousand, eight hundred ninety-four".