242648 has 24 divisors (see below), whose sum is σ = 530100. Its totient is φ = 103824.

The previous prime is 242647. The next prime is 242659. The reversal of 242648 is 846242.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242647) 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 5 ways as a sum of consecutive naturals, for example, 83 + ... + 701.

2²⁴²⁶⁴⁸ is an apocalyptic number.

242648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265050).

242648 is an abundant number, since it is smaller than the sum of its proper divisors (287452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242648 is a wasteful number, since it uses less digits than its factorization.

242648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 628 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 242648 is about 492.5931384013. The cubic root of 242648 is about 62.3723688755.

It can be divided in two parts, 242 and 648, that multiplied together give a square (156816 = 396²).

The spelling of 242648 in words is "two hundred forty-two thousand, six hundred forty-eight".