242643382 has 4 divisors (see below), whose sum is σ = 363965076. Its totient is φ = 121321690.

The previous prime is 242643347. The next prime is 242643391. The reversal of 242643382 is 283346242.

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

It is a super-4 number, since 4×242643382⁴ (a number of 35 digits) contains 4444 as substring.

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 as a sum of consecutive naturals, namely, 60660844 + ... + 60660847.

It is an arithmetic number, because the mean of its divisors is an integer number (90991269).

Almost surely, 2^242643382 is an apocalyptic number.

242643382 is a deficient number, since it is larger than the sum of its proper divisors (121321694).

242643382 is a wasteful number, since it uses less digits than its factorization.

242643382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121321693.

The product of its digits is 55296, while the sum is 34.

The square root of 242643382 is about 15577.0145406621. The cubic root of 242643382 is about 623.7197318924.

The spelling of 242643382 in words is "two hundred forty-two million, six hundred forty-three thousand, three hundred eighty-two".