99946589 has 2 divisors, whose sum is σ = 99946590. Its totient is φ = 99946588.

The previous prime is 99946549. The next prime is 99946591. The reversal of 99946589 is 98564999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94906564 + 5040025 = 9742^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 99946589 - 2¹⁶ = 99881053 is a prime.

Together with 99946591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99946549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49973294 + 49973295.

It is an arithmetic number, because the mean of its divisors is an integer number (49973295).

Almost surely, 2^99946589 is an apocalyptic number.

It is an amenable number.

99946589 is a deficient number, since it is larger than the sum of its proper divisors (1).

99946589 is an equidigital number, since it uses as much as digits as its factorization.

99946589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6298560, while the sum is 59.

The square root of 99946589 is about 9997.3290933129. The cubic root of 99946589 is about 464.0762313440.

The spelling of 99946589 in words is "ninety-nine million, nine hundred forty-six thousand, five hundred eighty-nine".