89046949 has 2 divisors, whose sum is σ = 89046950. Its totient is φ = 89046948.

The previous prime is 89046931. The next prime is 89046959. The reversal of 89046949 is 94964098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52056225 + 36990724 = 7215^2 + 6082^2 .

It is a cyclic number.

It is not a de Polignac number, because 89046949 - 2⁵ = 89046917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89046959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44523474 + 44523475.

It is an arithmetic number, because the mean of its divisors is an integer number (44523475).

Almost surely, 2^89046949 is an apocalyptic number.

It is an amenable number.

89046949 is a deficient number, since it is larger than the sum of its proper divisors (1).

89046949 is an equidigital number, since it uses as much as digits as its factorization.

89046949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 89046949 is about 9436.4690960126. The cubic root of 89046949 is about 446.5530033674.

The spelling of 89046949 in words is "eighty-nine million, forty-six thousand, nine hundred forty-nine".