549766998 has 48 divisors (see below), whose sum is σ = 1309741056. Its totient is φ = 165276720.

The previous prime is 549766993. The next prime is 549767011. The reversal of 549766998 is 899667945.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549766993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14215 + ... + 36077.

It is an arithmetic number, because the mean of its divisors is an integer number (27286272).

Almost surely, 2^549766998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549766998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654870528).

549766998 is an abundant number, since it is smaller than the sum of its proper divisors (759974058).

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

549766998 is a wasteful number, since it uses less digits than its factorization.

549766998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22009 (or 22006 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The square root of 549766998 is about 23447.1106535539. The cubic root of 549766998 is about 819.2055551709.

The spelling of 549766998 in words is "five hundred forty-nine million, seven hundred sixty-six thousand, nine hundred ninety-eight".