89641 has 4 divisors (see below), whose sum is σ = 94932. Its totient is φ = 84352.

The previous prime is 89633. The next prime is 89653. The reversal of 89641 is 14698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14698 = 2 ⋅7349.

It can be written as a sum of positive squares in 2 ways, for example, as 57600 + 32041 = 240^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 89641 - 2³ = 89633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89611) 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, 2620 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (23733).

2⁸⁹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

89641 is a deficient number, since it is larger than the sum of its proper divisors (5291).

89641 is a wasteful number, since it uses less digits than its factorization.

89641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290.

The product of its digits is 1728, while the sum is 28.

The square root of 89641 is about 299.4010688024. The cubic root of 89641 is about 44.7543819768.

The spelling of 89641 in words is "eighty-nine thousand, six hundred forty-one".