544861998 has 32 divisors (see below), whose sum is σ = 1223298720. Its totient is φ = 179746560.

The previous prime is 544861979. The next prime is 544862027. The reversal of 544861998 is 899168445.

544861998 is a `hidden beast` number, since 5 + 448 + 6 + 199 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46773 + ... + 57248.

It is an arithmetic number, because the mean of its divisors is an integer number (38228085).

Almost surely, 2^544861998 is an apocalyptic number.

544861998 is an abundant number, since it is smaller than the sum of its proper divisors (678436722).

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

544861998 is a wasteful number, since it uses less digits than its factorization.

544861998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104129 (or 104123 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 544861998 is about 23342.2791946288. The cubic root of 544861998 is about 816.7619666842.

The spelling of 544861998 in words is "five hundred forty-four million, eight hundred sixty-one thousand, nine hundred ninety-eight".