242987792 has 10 divisors (see below), whose sum is σ = 470788878. Its totient is φ = 121493888.

The previous prime is 242987779. The next prime is 242987803. The reversal of 242987792 is 297789242.

It can be written as a sum of positive squares in only one way, i.e., 242861056 + 126736 = 15584^2 + 356^2 .

It is a super-2 number, since 2×242987792² = 118086134122070528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242987792.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7593353 + ... + 7593384.

Almost surely, 2^242987792 is an apocalyptic number.

It is an amenable number.

242987792 is a deficient number, since it is larger than the sum of its proper divisors (227801086).

242987792 is a wasteful number, since it uses less digits than its factorization.

242987792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186745 (or 15186739 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 242987792 is about 15588.0656914192. The cubic root of 242987792 is about 624.0146966734.

The spelling of 242987792 in words is "two hundred forty-two million, nine hundred eighty-seven thousand, seven hundred ninety-two".