242919862 has 8 divisors (see below), whose sum is σ = 365028696. Its totient is φ = 121243632.

The previous prime is 242919841. The next prime is 242919881. The reversal of 242919862 is 268919242.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 106743 + ... + 108994.

It is an arithmetic number, because the mean of its divisors is an integer number (45628587).

Almost surely, 2^242919862 is an apocalyptic number.

242919862 is a deficient number, since it is larger than the sum of its proper divisors (122108834).

242919862 is a wasteful number, since it uses less digits than its factorization.

242919862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216302.

The product of its digits is 124416, while the sum is 43.

The square root of 242919862 is about 15585.8866286137. The cubic root of 242919862 is about 623.9565411192.

The spelling of 242919862 in words is "two hundred forty-two million, nine hundred nineteen thousand, eight hundred sixty-two".