242880738 has 16 divisors (see below), whose sum is σ = 486513216. Its totient is φ = 80834960.

The previous prime is 242880721. The next prime is 242880739. The reversal of 242880738 is 837088242.

It is a self number, because there is not a number n which added to its sum of digits gives 242880738.

It is not an unprimeable number, because it can be changed into a prime (242880739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27078 + ... + 34913.

It is an arithmetic number, because the mean of its divisors is an integer number (30407076).

Almost surely, 2^242880738 is an apocalyptic number.

242880738 is an abundant number, since it is smaller than the sum of its proper divisors (243632478).

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

242880738 is a wasteful number, since it uses less digits than its factorization.

242880738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62649.

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 242880738 is about 15584.6314682125. The cubic root of 242880738 is about 623.9230417500.

The spelling of 242880738 in words is "two hundred forty-two million, eight hundred eighty thousand, seven hundred thirty-eight".