242418937 has 4 divisors (see below), whose sum is σ = 248331636. Its totient is φ = 236506240.

The previous prime is 242418923. The next prime is 242418949. The reversal of 242418937 is 739814242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 739814242 = 2 ⋅369907121.

It can be written as a sum of positive squares in 2 ways, for example, as 50069776 + 192349161 = 7076^2 + 13869^2 .

It is a cyclic number.

It is not a de Polignac number, because 242418937 - 2¹⁵ = 242386169 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242418937.

It is not an unprimeable number, because it can be changed into a prime (242418437) 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, 2956288 + ... + 2956369.

It is an arithmetic number, because the mean of its divisors is an integer number (62082909).

Almost surely, 2^242418937 is an apocalyptic number.

It is an amenable number.

242418937 is a deficient number, since it is larger than the sum of its proper divisors (5912699).

242418937 is an equidigital number, since it uses as much as digits as its factorization.

242418937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912698.

The product of its digits is 96768, while the sum is 40.

The square root of 242418937 is about 15569.8085087775. The cubic root of 242418937 is about 623.5273590913.

The spelling of 242418937 in words is "two hundred forty-two million, four hundred eighteen thousand, nine hundred thirty-seven".