242887933 has 4 divisors (see below), whose sum is σ = 242935200. Its totient is φ = 242840668.

The previous prime is 242887927. The next prime is 242887937. The reversal of 242887933 is 339788242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242887933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242887937) 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, 14833 + ... + 26566.

It is an arithmetic number, because the mean of its divisors is an integer number (60733800).

Almost surely, 2^242887933 is an apocalyptic number.

It is an amenable number.

242887933 is a deficient number, since it is larger than the sum of its proper divisors (47267).

242887933 is an equidigital number, since it uses as much as digits as its factorization.

242887933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47266.

The product of its digits is 580608, while the sum is 46.

The square root of 242887933 is about 15584.8623028887. The cubic root of 242887933 is about 623.9292026365.

The spelling of 242887933 in words is "two hundred forty-two million, eight hundred eighty-seven thousand, nine hundred thirty-three".