89568949 has 2 divisors, whose sum is σ = 89568950. Its totient is φ = 89568948.

The previous prime is 89568943. The next prime is 89568961. The reversal of 89568949 is 94986598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74218225 + 15350724 = 8615^2 + 3918^2 .

It is a cyclic number.

It is not a de Polignac number, because 89568949 - 2⁵ = 89568917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89568893 and 89568902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89568943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44784474 + 44784475.

It is an arithmetic number, because the mean of its divisors is an integer number (44784475).

Almost surely, 2^89568949 is an apocalyptic number.

It is an amenable number.

89568949 is a deficient number, since it is larger than the sum of its proper divisors (1).

89568949 is an equidigital number, since it uses as much as digits as its factorization.

89568949 is an evil number, because the sum of its binary digits is even.

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

The square root of 89568949 is about 9464.0873305354. The cubic root of 89568949 is about 447.4238797734.

The spelling of 89568949 in words is "eighty-nine million, five hundred sixty-eight thousand, nine hundred forty-nine".