242894887 has 4 divisors (see below), whose sum is σ = 245399056. Its totient is φ = 240390720.

The previous prime is 242894849. The next prime is 242894903. The reversal of 242894887 is 788498242.

It is a happy number.

242894887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 242894887 - 2¹⁹ = 242370599 is a prime.

It is a super-3 number, since 3×242894887³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242894087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251939 + ... + 1252132.

It is an arithmetic number, because the mean of its divisors is an integer number (61349764).

Almost surely, 2^242894887 is an apocalyptic number.

242894887 is a deficient number, since it is larger than the sum of its proper divisors (2504169).

242894887 is an equidigital number, since it uses as much as digits as its factorization.

242894887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504168.

The product of its digits is 2064384, while the sum is 52.

The square root of 242894887 is about 15585.0854023967. The cubic root of 242894887 is about 623.9351570455.

The spelling of 242894887 in words is "two hundred forty-two million, eight hundred ninety-four thousand, eight hundred eighty-seven".