242686000 has 40 divisors (see below), whose sum is σ = 586819584. Its totient is φ = 97073600.

The previous prime is 242685979. The next prime is 242686013. The reversal of 242686000 is 686242.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 242686000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58672 + ... + 62671.

Almost surely, 2^242686000 is an apocalyptic number.

242686000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242686000 is an abundant number, since it is smaller than the sum of its proper divisors (344133584).

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

242686000 is a wasteful number, since it uses less digits than its factorization.

242686000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121366 (or 121350 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 242686000 is about 15578.3824577522. The cubic root of 242686000 is about 623.7562465656.

The spelling of 242686000 in words is "two hundred forty-two million, six hundred eighty-six thousand".