242992 has 10 divisors (see below), whose sum is σ = 470828. Its totient is φ = 121488.

The previous prime is 242989. The next prime is 242999. The reversal of 242992 is 299242.

It is a happy number.

242992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×242992² = 118090224128, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 242992.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7578 + ... + 7609.

2²⁴²⁹⁹² is an apocalyptic number.

It is an amenable number.

242992 is a deficient number, since it is larger than the sum of its proper divisors (227836).

242992 is a wasteful number, since it uses less digits than its factorization.

242992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15195 (or 15189 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 242992 is about 492.9421872796. The cubic root of 242992 is about 62.4018298828.

The spelling of 242992 in words is "two hundred forty-two thousand, nine hundred ninety-two".