549898 has 16 divisors (see below), whose sum is σ = 900000. Its totient is φ = 250992.

The previous prime is 549883. The next prime is 549911. The reversal of 549898 is 898945.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 853 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (56250).

2⁵⁴⁹⁸⁹⁸ is an apocalyptic number.

549898 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

549898 is a deficient number, since it is larger than the sum of its proper divisors (350102).

549898 is a wasteful number, since it uses less digits than its factorization.

549898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its digits is 103680, while the sum is 43.

The square root of 549898 is about 741.5510771349. The cubic root of 549898 is about 81.9270618518.

The spelling of 549898 in words is "five hundred forty-nine thousand, eight hundred ninety-eight".