548684866 has 4 divisors (see below), whose sum is σ = 823027302. Its totient is φ = 274342432.

The previous prime is 548684861. The next prime is 548684891. The reversal of 548684866 is 668486845.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 484220025 + 64464841 = 22005^2 + 8029^2 .

It is a super-3 number, since 3×548684866³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (548684861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137171215 + ... + 137171218.

Almost surely, 2^548684866 is an apocalyptic number.

548684866 is a deficient number, since it is larger than the sum of its proper divisors (274342436).

548684866 is a wasteful number, since it uses less digits than its factorization.

548684866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274342435.

The product of its digits is 8847360, while the sum is 55.

The square root of 548684866 is about 23424.0232667234. The cubic root of 548684866 is about 818.6677086378.

The spelling of 548684866 in words is "five hundred forty-eight million, six hundred eighty-four thousand, eight hundred sixty-six".