242997 has 8 divisors (see below), whose sum is σ = 327456. Its totient is φ = 160272.

The previous prime is 242989. The next prime is 242999. The reversal of 242997 is 799242.

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

It is not a de Polignac number, because 242997 - 2³ = 242989 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 4⁸ + 9³ + 2⁵ + 9⁵ + 7⁶ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 242997.

It is not an unprimeable number, because it can be changed into a prime (242999) 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, 58 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (40932).

2²⁴²⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

242997 is a deficient number, since it is larger than the sum of its proper divisors (84459).

242997 is a wasteful number, since it uses less digits than its factorization.

242997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867.

The product of its digits is 9072, while the sum is 33.

The square root of 242997 is about 492.9472588422. The cubic root of 242997 is about 62.4022578900.

The spelling of 242997 in words is "two hundred forty-two thousand, nine hundred ninety-seven".