543478 has 8 divisors (see below), whose sum is σ = 877968. Its totient is φ = 250824.

The previous prime is 543463. The next prime is 543497. The reversal of 543478 is 874345.

543478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10426 + ... + 10477.

It is an arithmetic number, because the mean of its divisors is an integer number (109746).

2⁵⁴³⁴⁷⁸ is an apocalyptic number.

543478 is a deficient number, since it is larger than the sum of its proper divisors (334490).

543478 is a wasteful number, since it uses less digits than its factorization.

543478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20918.

The product of its digits is 13440, while the sum is 31.

The square root of 543478 is about 737.2096038441. The cubic root of 543478 is about 81.6069830946.

The spelling of 543478 in words is "five hundred forty-three thousand, four hundred seventy-eight".