243164436 has 24 divisors (see below), whose sum is σ = 574221984. Its totient is φ = 80077920.

The previous prime is 243164431. The next prime is 243164437. The reversal of 243164436 is 634461342.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 243164397 and 243164406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243164431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121075 + ... + 123066.

It is an arithmetic number, because the mean of its divisors is an integer number (23925916).

Almost surely, 2^243164436 is an apocalyptic number.

It is an amenable number.

243164436 is an abundant number, since it is smaller than the sum of its proper divisors (331057548).

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

243164436 is a wasteful number, since it uses less digits than its factorization.

243164436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244231 (or 244229 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 243164436 is about 15593.7306633147. The cubic root of 243164436 is about 624.1658726524.

The spelling of 243164436 in words is "two hundred forty-three million, one hundred sixty-four thousand, four hundred thirty-six".