89668849 has 8 divisors (see below), whose sum is σ = 91369440. Its totient is φ = 87974400.

The previous prime is 89668793. The next prime is 89668861. The reversal of 89668849 is 94886698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89668849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89668793 and 89668802.

It is not an unprimeable number, because it can be changed into a prime (89668879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36634 + ... + 39004.

It is an arithmetic number, because the mean of its divisors is an integer number (11421180).

Almost surely, 2^89668849 is an apocalyptic number.

It is an amenable number.

89668849 is a deficient number, since it is larger than the sum of its proper divisors (1700591).

89668849 is a wasteful number, since it uses less digits than its factorization.

89668849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071.

The product of its digits is 5971968, while the sum is 58.

The square root of 89668849 is about 9469.3637061843. The cubic root of 89668849 is about 447.5901614988.

The spelling of 89668849 in words is "eighty-nine million, six hundred sixty-eight thousand, eight hundred forty-nine".