342842238 has 12 divisors (see below), whose sum is σ = 742824888. Its totient is φ = 114280740.

The previous prime is 342842191. The next prime is 342842243. The reversal of 342842238 is 832248243.

It is a happy number.

342842238 is a `hidden beast` number, since 3 + 428 + 4 + 223 + 8 = 666.

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 5 ways as a sum of consecutive naturals, for example, 9523378 + ... + 9523413.

It is an arithmetic number, because the mean of its divisors is an integer number (61902074).

Almost surely, 2^342842238 is an apocalyptic number.

342842238 is an abundant number, since it is smaller than the sum of its proper divisors (399982650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342842238 is a wasteful number, since it uses less digits than its factorization.

342842238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19046799 (or 19046796 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 342842238 is about 18515.9995139339. Note that the first 3 decimals coincide. The cubic root of 342842238 is about 699.8926624533.

The spelling of 342842238 in words is "three hundred forty-two million, eight hundred forty-two thousand, two hundred thirty-eight".