243297792 has 120 divisors (see below), whose sum is σ = 721656936. Its totient is φ = 78852096.

The previous prime is 243297781. The next prime is 243297809. The reversal of 243297792 is 297792342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169783 + ... + 171209.

Almost surely, 2^243297792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243297792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360828468).

243297792 is an abundant number, since it is smaller than the sum of its proper divisors (478359144).

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

243297792 is a wasteful number, since it uses less digits than its factorization.

243297792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1469 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 243297792 is about 15598.0060264125. The cubic root of 243297792 is about 624.2799532776.

The spelling of 243297792 in words is "two hundred forty-three million, two hundred ninety-seven thousand, seven hundred ninety-two".