235841 has 4 divisors (see below), whose sum is σ = 249732. Its totient is φ = 221952.

The previous prime is 235813. The next prime is 235849. The reversal of 235841 is 148532.

235841 = T₁₅₈ + T₁₅₉ + ... + T₁₇₄.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148225 + 87616 = 385^2 + 296^2 .

It is a de Polignac number, because none of the positive numbers 2^k-235841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (235849) 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, 6920 + ... + 6953.

It is an arithmetic number, because the mean of its divisors is an integer number (62433).

2²³⁵⁸⁴¹ is an apocalyptic number.

It is an amenable number.

235841 is a deficient number, since it is larger than the sum of its proper divisors (13891).

235841 is a wasteful number, since it uses less digits than its factorization.

235841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13890.

The product of its digits is 960, while the sum is 23.

The square root of 235841 is about 485.6346363265. The cubic root of 235841 is about 61.7835846963.

The spelling of 235841 in words is "two hundred thirty-five thousand, eight hundred forty-one".