242434779 has 4 divisors (see below), whose sum is σ = 323246376. Its totient is φ = 161623184.

The previous prime is 242434727. The next prime is 242434781. The reversal of 242434779 is 977434242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242434779 - 2⁹ = 242434267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242434779.

It is not an unprimeable number, because it can be changed into a prime (242434079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40405794 + ... + 40405799.

It is an arithmetic number, because the mean of its divisors is an integer number (80811594).

Almost surely, 2^242434779 is an apocalyptic number.

242434779 is a deficient number, since it is larger than the sum of its proper divisors (80811597).

242434779 is an equidigital number, since it uses as much as digits as its factorization.

242434779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80811596.

The product of its digits is 338688, while the sum is 42.

The square root of 242434779 is about 15570.3172414694. The cubic root of 242434779 is about 623.5409412332.

The spelling of 242434779 in words is "two hundred forty-two million, four hundred thirty-four thousand, seven hundred seventy-nine".