542816 has 12 divisors (see below), whose sum is σ = 1068732. Its totient is φ = 271392.

The previous prime is 542797. The next prime is 542821. The reversal of 542816 is 618245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8450 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (89061).

2⁵⁴²⁸¹⁶ is an apocalyptic number.

It is an amenable number.

542816 is a deficient number, since it is larger than the sum of its proper divisors (525916).

542816 is a wasteful number, since it uses less digits than its factorization.

542816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16973 (or 16965 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 542816 is about 736.7604766815. The cubic root of 542816 is about 81.5738350047.

The spelling of 542816 in words is "five hundred forty-two thousand, eight hundred sixteen".