242355886 has 4 divisors (see below), whose sum is σ = 363533832. Its totient is φ = 121177942.

The previous prime is 242355881. The next prime is 242355907. The reversal of 242355886 is 688553242.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242355881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60588970 + ... + 60588973.

It is an arithmetic number, because the mean of its divisors is an integer number (90883458).

Almost surely, 2^242355886 is an apocalyptic number.

242355886 is a deficient number, since it is larger than the sum of its proper divisors (121177946).

242355886 is a wasteful number, since it uses less digits than its factorization.

242355886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121177945.

The product of its digits is 460800, while the sum is 43.

The square root of 242355886 is about 15567.7835930488. The cubic root of 242355886 is about 623.4732964385.

The spelling of 242355886 in words is "two hundred forty-two million, three hundred fifty-five thousand, eight hundred eighty-six".