87441 has 4 divisors (see below), whose sum is σ = 116592. Its totient is φ = 58292.

The previous prime is 87433. The next prime is 87443. The reversal of 87441 is 14478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87441 - 2³ = 87433 is a prime.

It is a D-number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (87443) 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, 14571 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (29148).

2⁸⁷⁴⁴¹ is an apocalyptic number.

It is an amenable number.

87441 is a deficient number, since it is larger than the sum of its proper divisors (29151).

87441 is a wasteful number, since it uses less digits than its factorization.

87441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29150.

The product of its digits is 896, while the sum is 24.

The square root of 87441 is about 295.7042441359. The cubic root of 87441 is about 44.3852194938.

It can be divided in two parts, 87 and 441, that added together give a triangular number (528 = T₃₂).

The spelling of 87441 in words is "eighty-seven thousand, four hundred forty-one".