242758086 has 16 divisors (see below), whose sum is σ = 501178368. Its totient is φ = 78309000.

The previous prime is 242758081. The next prime is 242758097. The reversal of 242758086 is 680857242.

It is a happy number.

242758086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242758081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652390 + ... + 652761.

It is an arithmetic number, because the mean of its divisors is an integer number (31323648).

Almost surely, 2^242758086 is an apocalyptic number.

242758086 is an abundant number, since it is smaller than the sum of its proper divisors (258420282).

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

242758086 is a wasteful number, since it uses less digits than its factorization.

242758086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305187.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 242758086 is about 15580.6959408109. The cubic root of 242758086 is about 623.8179993952.

The spelling of 242758086 in words is "two hundred forty-two million, seven hundred fifty-eight thousand, eighty-six".