242977 has 8 divisors (see below), whose sum is σ = 281216. Its totient is φ = 205632.

The previous prime is 242971. The next prime is 242989. The reversal of 242977 is 779242.

It is a happy number.

242977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 242977 - 2¹⁵ = 210209 is a prime.

It is an Ulam number.

It is a Duffinian number.

242977 is a lucky number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (242971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (35152).

2²⁴²⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

242977 is a deficient number, since it is larger than the sum of its proper divisors (38239).

242977 is a wasteful number, since it uses less digits than its factorization.

242977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its digits is 7056, while the sum is 31.

The square root of 242977 is about 492.9269722789. The cubic root of 242977 is about 62.4005458258.

The spelling of 242977 in words is "two hundred forty-two thousand, nine hundred seventy-seven".