242910 has 24 divisors (see below), whose sum is σ = 631800. Its totient is φ = 64752.

The previous prime is 242887. The next prime is 242911. The reversal of 242910 is 19242.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1260 + ... + 1439.

It is an arithmetic number, because the mean of its divisors is an integer number (26325).

2²⁴²⁹¹⁰ is an apocalyptic number.

242910 is an abundant number, since it is smaller than the sum of its proper divisors (388890).

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

242910 is a wasteful number, since it uses less digits than its factorization.

242910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 242910 is about 492.8590062077. The cubic root of 242910 is about 62.3948097261.

The spelling of 242910 in words is "two hundred forty-two thousand, nine hundred ten".