243981032 has 16 divisors (see below), whose sum is σ = 457700100. Its totient is φ = 121927680.

The previous prime is 243980977. The next prime is 243981041. The reversal of 243981032 is 230189342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189723076 + 54257956 = 13774^2 + 7366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243981032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11432 + ... + 24872.

Almost surely, 2^243981032 is an apocalyptic number.

It is an amenable number.

243981032 is a deficient number, since it is larger than the sum of its proper divisors (213719068).

243981032 is a wasteful number, since it uses less digits than its factorization.

243981032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15716 (or 15712 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 243981032 is about 15619.8921891286. The cubic root of 243981032 is about 624.8637842879.

The spelling of 243981032 in words is "two hundred forty-three million, nine hundred eighty-one thousand, thirty-two".