242998 has 16 divisors (see below), whose sum is σ = 441504. Its totient is φ = 97920.

The previous prime is 242989. The next prime is 242999. The reversal of 242998 is 899242.

242998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242999) by changing a digit.

242998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 273 + ... + 748.

It is an arithmetic number, because the mean of its divisors is an integer number (27594).

2²⁴²⁹⁹⁸ is an apocalyptic number.

242998 is a deficient number, since it is larger than the sum of its proper divisors (198506).

242998 is a wasteful number, since it uses less digits than its factorization.

242998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047.

The product of its digits is 10368, while the sum is 34.

The square root of 242998 is about 492.9482731484. The cubic root of 242998 is about 62.4023434908.

The spelling of 242998 in words is "two hundred forty-two thousand, nine hundred ninety-eight".