89446919 has 2 divisors, whose sum is σ = 89446920. Its totient is φ = 89446918.

The previous prime is 89446823. The next prime is 89446937. The reversal of 89446919 is 91964498.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89446919 - 2⁸ = 89446663 is a prime.

It is a super-2 number, since 2×89446919² = 16001502637185122, which contains 22 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 (89440919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44723459 + 44723460.

It is an arithmetic number, because the mean of its divisors is an integer number (44723460).

Almost surely, 2^89446919 is an apocalyptic number.

89446919 is a deficient number, since it is larger than the sum of its proper divisors (1).

89446919 is an equidigital number, since it uses as much as digits as its factorization.

89446919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 89446919 is about 9457.6381301042. The cubic root of 89446919 is about 447.2205952237.

The spelling of 89446919 in words is "eighty-nine million, four hundred forty-six thousand, nine hundred nineteen".