242806086 has 24 divisors (see below), whose sum is σ = 545565384. Its totient is φ = 80935200.

The previous prime is 242806061. The next prime is 242806117. The reversal of 242806086 is 680608242.

242806086 is a `hidden beast` number, since 2 + 42 + 8 + 0 + 608 + 6 = 666.

242806086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242806086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249315 + ... + 250286.

It is an arithmetic number, because the mean of its divisors is an integer number (22731891).

Almost surely, 2^242806086 is an apocalyptic number.

242806086 is an abundant number, since it is smaller than the sum of its proper divisors (302759298).

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

242806086 is an equidigital number, since it uses as much as digits as its factorization.

242806086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499618 (or 499606 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 242806086 is about 15582.2362323256. The cubic root of 242806086 is about 623.8591120534.

The spelling of 242806086 in words is "two hundred forty-two million, eight hundred six thousand, eighty-six".