242630 has 16 divisors (see below), whose sum is σ = 460080. Its totient is φ = 91872.

The previous prime is 242629. The next prime is 242633. The reversal of 242630 is 36242.

It is a junction number, because it is equal to n+sod(n) for n = 242599 and 242608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449 + ... + 828.

It is an arithmetic number, because the mean of its divisors is an integer number (28755).

2²⁴²⁶³⁰ is an apocalyptic number.

242630 is a deficient number, since it is larger than the sum of its proper divisors (217450).

242630 is a wasteful number, since it uses less digits than its factorization.

242630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 242630 is about 492.5748674060. The cubic root of 242630 is about 62.3708265448.

Adding to 242630 its reverse (36242), we get a palindrome (278872).

The spelling of 242630 in words is "two hundred forty-two thousand, six hundred thirty".