548643 has 8 divisors (see below), whose sum is σ = 736000. Its totient is φ = 363528.

The previous prime is 548629. The next prime is 548657. The reversal of 548643 is 346845.

548643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (548629) and next prime (548657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 548643 - 2⁶ = 548579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 548643.

It is not an unprimeable number, because it can be changed into a prime (548623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138 + ... + 1056.

It is an arithmetic number, because the mean of its divisors is an integer number (92000).

2⁵⁴⁸⁶⁴³ is an apocalyptic number.

548643 is a deficient number, since it is larger than the sum of its proper divisors (187357).

548643 is a wasteful number, since it uses less digits than its factorization.

548643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121.

The product of its digits is 11520, while the sum is 30.

The square root of 548643 is about 740.7043944787. The cubic root of 548643 is about 81.8646885991.

The spelling of 548643 in words is "five hundred forty-eight thousand, six hundred forty-three".