242987842 has 16 divisors (see below), whose sum is σ = 372833280. Its totient is φ = 118734352.

The previous prime is 242987821. The next prime is 242987861. The reversal of 242987842 is 248789242.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 242987792 and 242987801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14463 + ... + 26365.

It is an arithmetic number, because the mean of its divisors is an integer number (23302080).

Almost surely, 2^242987842 is an apocalyptic number.

242987842 is a deficient number, since it is larger than the sum of its proper divisors (129845438).

242987842 is a wasteful number, since it uses less digits than its factorization.

242987842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137.

The product of its digits is 516096, while the sum is 46.

The square root of 242987842 is about 15588.0672952101. The cubic root of 242987842 is about 624.0147394749.

The spelling of 242987842 in words is "two hundred forty-two million, nine hundred eighty-seven thousand, eight hundred forty-two".