242492487 has 8 divisors (see below), whose sum is σ = 332061936. Its totient is φ = 157292352.

The previous prime is 242492483. The next prime is 242492489. The reversal of 242492487 is 784294242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242492487 - 2² = 242492483 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242492483) by changing a digit.

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, 1092198 + ... + 1092419.

It is an arithmetic number, because the mean of its divisors is an integer number (41507742).

Almost surely, 2^242492487 is an apocalyptic number.

242492487 is a deficient number, since it is larger than the sum of its proper divisors (89569449).

242492487 is a wasteful number, since it uses less digits than its factorization.

242492487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184657.

The product of its digits is 258048, while the sum is 42.

The square root of 242492487 is about 15572.1702726370. The cubic root of 242492487 is about 623.5904121962.

The spelling of 242492487 in words is "two hundred forty-two million, four hundred ninety-two thousand, four hundred eighty-seven".