241839 has 24 divisors (see below), whose sum is σ = 395280. Its totient is φ = 146016.

The previous prime is 241823. The next prime is 241847. The reversal of 241839 is 938142.

It is not a de Polignac number, because 241839 - 2⁴ = 241823 is a prime.

It is a super-2 number, since 2×241839² = 116972203842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

241839 is a lucky number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4537 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (16470).

2²⁴¹⁸³⁹ is an apocalyptic number.

241839 is a deficient number, since it is larger than the sum of its proper divisors (153441).

241839 is a wasteful number, since it uses less digits than its factorization.

241839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 69 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 241839 is about 491.7712883038. The cubic root of 241839 is about 62.3029742128.

The spelling of 241839 in words is "two hundred forty-one thousand, eight hundred thirty-nine".