89520841 has 2 divisors, whose sum is σ = 89520842. Its totient is φ = 89520840.

The previous prime is 89520833. The next prime is 89520859. The reversal of 89520841 is 14802598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89491600 + 29241 = 9460^2 + 171^2 .

It is a cyclic number.

It is not a de Polignac number, because 89520841 - 2³ = 89520833 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89520841.

It is not a weakly prime, because it can be changed into another prime (89520811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44760420 + 44760421.

It is an arithmetic number, because the mean of its divisors is an integer number (44760421).

Almost surely, 2^89520841 is an apocalyptic number.

It is an amenable number.

89520841 is a deficient number, since it is larger than the sum of its proper divisors (1).

89520841 is an equidigital number, since it uses as much as digits as its factorization.

89520841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 89520841 is about 9461.5453811732. The cubic root of 89520841 is about 447.3437607773.

It can be divided in two parts, 895 and 20841, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 89520841 in words is "eighty-nine million, five hundred twenty thousand, eight hundred forty-one".