548399 has 2 divisors, whose sum is σ = 548400. Its totient is φ = 548398.

The previous prime is 548393. The next prime is 548407. The reversal of 548399 is 993845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 548399 - 2⁸ = 548143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274199 + 274200.

It is an arithmetic number, because the mean of its divisors is an integer number (274200).

2⁵⁴⁸³⁹⁹ is an apocalyptic number.

548399 is a deficient number, since it is larger than the sum of its proper divisors (1).

548399 is an equidigital number, since it uses as much as digits as its factorization.

548399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 548399 is about 740.5396680800. The cubic root of 548399 is about 81.8525508058.

The spelling of 548399 in words is "five hundred forty-eight thousand, three hundred ninety-nine".