242398959 has 8 divisors (see below), whose sum is σ = 352580352. Its totient is φ = 146908440.

The previous prime is 242398901. The next prime is 242398967. The reversal of 242398959 is 959893242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-242398959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242398969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3672679 + ... + 3672744.

It is an arithmetic number, because the mean of its divisors is an integer number (44072544).

Almost surely, 2^242398959 is an apocalyptic number.

242398959 is a deficient number, since it is larger than the sum of its proper divisors (110181393).

242398959 is a wasteful number, since it uses less digits than its factorization.

242398959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345437.

The product of its digits is 1399680, while the sum is 51.

The square root of 242398959 is about 15569.1669333976. The cubic root of 242398959 is about 623.5102301052.

The spelling of 242398959 in words is "two hundred forty-two million, three hundred ninety-eight thousand, nine hundred fifty-nine".