242297856 has 132 divisors (see below), whose sum is σ = 712749024. Its totient is φ = 79257600.

The previous prime is 242297827. The next prime is 242297857. The reversal of 242297856 is 658792242.

242297856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (242297857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561961 + ... + 562391.

Almost surely, 2^242297856 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 242297856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356374512).

242297856 is an abundant number, since it is smaller than the sum of its proper divisors (470451168).

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

242297856 is a wasteful number, since it uses less digits than its factorization.

242297856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 497 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 242297856 is about 15565.9196965679. The cubic root of 242297856 is about 623.4235307213.

The spelling of 242297856 in words is "two hundred forty-two million, two hundred ninety-seven thousand, eight hundred fifty-six".