89017949 has 2 divisors, whose sum is σ = 89017950. Its totient is φ = 89017948.

The previous prime is 89017939. The next prime is 89018003. The reversal of 89017949 is 94971098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88698724 + 319225 = 9418^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 89017949 - 2⁸ = 89017693 is a prime.

It is a super-3 number, since 3×89017949³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89017909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44508974 + 44508975.

It is an arithmetic number, because the mean of its divisors is an integer number (44508975).

Almost surely, 2^89017949 is an apocalyptic number.

It is an amenable number.

89017949 is a deficient number, since it is larger than the sum of its proper divisors (1).

89017949 is an equidigital number, since it uses as much as digits as its factorization.

89017949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 89017949 is about 9434.9323791959. The cubic root of 89017949 is about 446.5045216645.

The spelling of 89017949 in words is "eighty-nine million, seventeen thousand, nine hundred forty-nine".