89837393 has 2 divisors, whose sum is σ = 89837394. Its totient is φ = 89837392.

The previous prime is 89837383. The next prime is 89837417. The reversal of 89837393 is 39373898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87740689 + 2096704 = 9367^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 89837393 - 2²⁶ = 22728529 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89837383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44918696 + 44918697.

It is an arithmetic number, because the mean of its divisors is an integer number (44918697).

Almost surely, 2^89837393 is an apocalyptic number.

It is an amenable number.

89837393 is a deficient number, since it is larger than the sum of its proper divisors (1).

89837393 is an equidigital number, since it uses as much as digits as its factorization.

89837393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 89837393 is about 9478.2589645989. The cubic root of 89837393 is about 447.8704201796.

The spelling of 89837393 in words is "eighty-nine million, eight hundred thirty-seven thousand, three hundred ninety-three".