242386 has 8 divisors (see below), whose sum is σ = 385020. Its totient is φ = 114048.

The previous prime is 242377. The next prime is 242393. The reversal of 242386 is 683242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 231361 + 11025 = 481^2 + 105^2 .

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

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 242386.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3531 + ... + 3598.

2²⁴²³⁸⁶ is an apocalyptic number.

242386 is a deficient number, since it is larger than the sum of its proper divisors (142634).

242386 is a wasteful number, since it uses less digits than its factorization.

242386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148.

The product of its digits is 2304, while the sum is 25.

The square root of 242386 is about 492.3271270202. The cubic root of 242386 is about 62.3499118653.

The spelling of 242386 in words is "two hundred forty-two thousand, three hundred eighty-six".