543872436 has 12 divisors (see below), whose sum is σ = 1269035712. Its totient is φ = 181290808.

The previous prime is 543872431. The next prime is 543872437. The reversal of 543872436 is 634278345.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543872431) 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, 22661340 + ... + 22661363.

It is an arithmetic number, because the mean of its divisors is an integer number (105752976).

Almost surely, 2^543872436 is an apocalyptic number.

It is an amenable number.

543872436 is an abundant number, since it is smaller than the sum of its proper divisors (725163276).

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

543872436 is a wasteful number, since it uses less digits than its factorization.

543872436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45322710 (or 45322708 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 543872436 is about 23321.0727883603. The cubic root of 543872436 is about 816.2672075214.

The spelling of 543872436 in words is "five hundred forty-three million, eight hundred seventy-two thousand, four hundred thirty-six".