543459916 has 24 divisors (see below), whose sum is σ = 995841504. Its totient is φ = 259015680.

The previous prime is 543459883. The next prime is 543459941. The reversal of 543459916 is 619954345.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16876 + ... + 37036.

It is an arithmetic number, because the mean of its divisors is an integer number (41493396).

Almost surely, 2^543459916 is an apocalyptic number.

It is an amenable number.

543459916 is a deficient number, since it is larger than the sum of its proper divisors (452381588).

543459916 is a wasteful number, since it uses less digits than its factorization.

543459916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20481 (or 20479 counting only the distinct ones).

The product of its digits is 583200, while the sum is 46.

The square root of 543459916 is about 23312.2267490688. The cubic root of 543459916 is about 816.0607793860.

It can be divided in two parts, 54345 and 9916, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 543459916 in words is "five hundred forty-three million, four hundred fifty-nine thousand, nine hundred sixteen".