543974 has 8 divisors (see below), whose sum is σ = 838128. Its totient is φ = 264600.

The previous prime is 543971. The next prime is 543997. The reversal of 543974 is 479345.

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

It is a super-5 number, since 5×543974⁵ (a number of 30 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 543974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3602 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (104766).

2⁵⁴³⁹⁷⁴ is an apocalyptic number.

543974 is a deficient number, since it is larger than the sum of its proper divisors (294154).

543974 is a wasteful number, since it uses less digits than its factorization.

543974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7390.

The product of its digits is 15120, while the sum is 32.

The square root of 543974 is about 737.5459307731. The cubic root of 543974 is about 81.6318014903.

The spelling of 543974 in words is "five hundred forty-three thousand, nine hundred seventy-four".