543449 has 8 divisors (see below), whose sum is σ = 565440. Its totient is φ = 522000.

The previous prime is 543427. The next prime is 543463. The reversal of 543449 is 944345.

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

It is a cyclic number.

It is not a de Polignac number, because 543449 - 2¹⁶ = 477913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543149) 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, 3524 + ... + 3674.

It is an arithmetic number, because the mean of its divisors is an integer number (70680).

2⁵⁴³⁴⁴⁹ is an apocalyptic number.

543449 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

543449 is a deficient number, since it is larger than the sum of its proper divisors (21991).

543449 is a wasteful number, since it uses less digits than its factorization.

543449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its digits is 8640, while the sum is 29.

The square root of 543449 is about 737.1899348201. The cubic root of 543449 is about 81.6055315518.

The spelling of 543449 in words is "five hundred forty-three thousand, four hundred forty-nine".