241890 has 32 divisors (see below), whose sum is σ = 634176. Its totient is φ = 58560.

The previous prime is 241883. The next prime is 241903. The reversal of 241890 is 98142.

241890 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 241890.

It is a congruent number.

It is an unprimeable number.

241890 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37 + ... + 696.

It is an arithmetic number, because the mean of its divisors is an integer number (19818).

2²⁴¹⁸⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 241890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317088).

241890 is an abundant number, since it is smaller than the sum of its proper divisors (392286).

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

241890 is a wasteful number, since it uses less digits than its factorization.

241890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 241890 is about 491.8231389433. The cubic root of 241890 is about 62.3073534738.

The spelling of 241890 in words is "two hundred forty-one thousand, eight hundred ninety".