89895649 has 2 divisors, whose sum is σ = 89895650. Its totient is φ = 89895648.

The previous prime is 89895647. The next prime is 89895653. The reversal of 89895649 is 94659898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88830625 + 1065024 = 9425^2 + 1032^2 .

It is a cyclic number.

It is not a de Polignac number, because 89895649 - 2¹ = 89895647 is a prime.

It is a super-3 number, since 3×89895649³ (a number of 25 digits) contains 333 as substring.

Together with 89895647, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 89895593 and 89895602.

It is not a weakly prime, because it can be changed into another prime (89895647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44947824 + 44947825.

It is an arithmetic number, because the mean of its divisors is an integer number (44947825).

Almost surely, 2^89895649 is an apocalyptic number.

It is an amenable number.

89895649 is a deficient number, since it is larger than the sum of its proper divisors (1).

89895649 is an equidigital number, since it uses as much as digits as its factorization.

89895649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 58.

The square root of 89895649 is about 9481.3316047905. The cubic root of 89895649 is about 447.9672080191.

The spelling of 89895649 in words is "eighty-nine million, eight hundred ninety-five thousand, six hundred forty-nine".