241840 has 20 divisors (see below), whose sum is σ = 562464. Its totient is φ = 96704.

The previous prime is 241823. The next prime is 241847. The reversal of 241840 is 48142.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (241847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432 + ... + 1591.

2²⁴¹⁸⁴⁰ is an apocalyptic number.

241840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241840 is an abundant number, since it is smaller than the sum of its proper divisors (320624).

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

241840 is a wasteful number, since it uses less digits than its factorization.

241840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036 (or 3030 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 241840 is about 491.7723050356. The cubic root of 241840 is about 62.3030600865.

Adding to 241840 its reverse (48142), we get a palindrome (289982).

It can be divided in two parts, 241 and 840, that added together give a triangular number (1081 = T₄₆).

The spelling of 241840 in words is "two hundred forty-one thousand, eight hundred forty".