242449838 has 8 divisors (see below), whose sum is σ = 363741840. Its totient is φ = 121202560.

The previous prime is 242449817. The next prime is 242449897. The reversal of 242449838 is 838944242.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11918 + ... + 25038.

It is an arithmetic number, because the mean of its divisors is an integer number (45467730).

Almost surely, 2^242449838 is an apocalyptic number.

242449838 is a deficient number, since it is larger than the sum of its proper divisors (121292002).

242449838 is a wasteful number, since it uses less digits than its factorization.

242449838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22362.

The product of its digits is 442368, while the sum is 44.

The square root of 242449838 is about 15570.8008143448. The cubic root of 242449838 is about 623.5538515215.

The spelling of 242449838 in words is "two hundred forty-two million, four hundred forty-nine thousand, eight hundred thirty-eight".