242369 has 8 divisors (see below), whose sum is σ = 262440. Its totient is φ = 222976.

The previous prime is 242357. The next prime is 242371. The reversal of 242369 is 963242.

242369 = T₁₀₂ + T₁₀₃ + ... + T₁₃₅.

242369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 35344 + 207025 = 188^2 + 455^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242369 is a prime.

It is a super-2 number, since 2×242369² = 117485464322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (32805).

2²⁴²³⁶⁹ is an apocalyptic number.

It is an amenable number.

242369 is a deficient number, since it is larger than the sum of its proper divisors (20071).

242369 is a wasteful number, since it uses less digits than its factorization.

242369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its digits is 2592, while the sum is 26.

The square root of 242369 is about 492.3098617741. The cubic root of 242369 is about 62.3484541721.

It can be divided in two parts, 242 and 369, that multiplied together give a palindrome (89298).

The spelling of 242369 in words is "two hundred forty-two thousand, three hundred sixty-nine".