543894 has 32 divisors (see below), whose sum is σ = 1236480. Its totient is φ = 158112.

The previous prime is 543889. The next prime is 543901. The reversal of 543894 is 498345.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (38640).

2⁵⁴³⁸⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618240).

543894 is an abundant number, since it is smaller than the sum of its proper divisors (692586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

543894 is a wasteful number, since it uses less digits than its factorization.

543894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its digits is 17280, while the sum is 33.

The square root of 543894 is about 737.4916948685. The cubic root of 543894 is about 81.6277995439.

It can be divided in two parts, 54 and 3894, that multiplied together give a triangular number (210276 = T₆₄₈).

The spelling of 543894 in words is "five hundred forty-three thousand, eight hundred ninety-four".