546866 has 4 divisors (see below), whose sum is σ = 820302. Its totient is φ = 273432.

The previous prime is 546863. The next prime is 546869. The reversal of 546866 is 668645.

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

It is an interprime number because it is at equal distance from previous prime (546863) and next prime (546869).

It can be written as a sum of positive squares in only one way, i.e., 403225 + 143641 = 635^2 + 379^2 .

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 546866.

It is not an unprimeable number, because it can be changed into a prime (546863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136715 + ... + 136718.

2⁵⁴⁶⁸⁶⁶ is an apocalyptic number.

546866 is a deficient number, since it is larger than the sum of its proper divisors (273436).

546866 is a wasteful number, since it uses less digits than its factorization.

546866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273435.

The product of its digits is 34560, while the sum is 35.

The square root of 546866 is about 739.5038877518. The cubic root of 546866 is about 81.7762091489.

The spelling of 546866 in words is "five hundred forty-six thousand, eight hundred sixty-six".