549676 has 12 divisors (see below), whose sum is σ = 970200. Its totient is φ = 272480.

The previous prime is 549667. The next prime is 549683. The reversal of 549676 is 676945.

549676 is a nontrivial binomial coefficient, being equal to C(1049, 2).

It is an Ulam number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 1048.

It is an arithmetic number, because the mean of its divisors is an integer number (80850).

2⁵⁴⁹⁶⁷⁶ is an apocalyptic number.

549676 is the 1048-th triangular number.

549676 is the 350-th centered nonagonal number.

It is an amenable number.

549676 is a deficient number, since it is larger than the sum of its proper divisors (420524).

549676 is a wasteful number, since it uses less digits than its factorization.

549676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1182 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 549676 is about 741.4013757743. The cubic root of 549676 is about 81.9160354094.

It can be divided in two parts, 549 and 676, that added together give a triangular number (1225 = T₄₉).

The spelling of 549676 in words is "five hundred forty-nine thousand, six hundred seventy-six".