242834889 has 16 divisors (see below), whose sum is σ = 361430784. Its totient is φ = 143749200.

The previous prime is 242834881. The next prime is 242834899. The reversal of 242834889 is 988438242.

It is not a de Polignac number, because 242834889 - 2³ = 242834881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242834881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84147 + ... + 86984.

It is an arithmetic number, because the mean of its divisors is an integer number (22589424).

Almost surely, 2^242834889 is an apocalyptic number.

It is an amenable number.

242834889 is a deficient number, since it is larger than the sum of its proper divisors (118595895).

242834889 is a wasteful number, since it uses less digits than its factorization.

242834889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171188.

The product of its digits is 884736, while the sum is 48.

The square root of 242834889 is about 15583.1604304133. The cubic root of 242834889 is about 623.8837796167.

The spelling of 242834889 in words is "two hundred forty-two million, eight hundred thirty-four thousand, eight hundred eighty-nine".