89838743 has 2 divisors, whose sum is σ = 89838744. Its totient is φ = 89838742.

The previous prime is 89838731. The next prime is 89838773. The reversal of 89838743 is 34783898.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89838743 - 2⁸ = 89838487 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 89838691 and 89838700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89838703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44919371 + 44919372.

It is an arithmetic number, because the mean of its divisors is an integer number (44919372).

Almost surely, 2^89838743 is an apocalyptic number.

89838743 is a deficient number, since it is larger than the sum of its proper divisors (1).

89838743 is an equidigital number, since it uses as much as digits as its factorization.

89838743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 89838743 is about 9478.3301799420. The cubic root of 89838743 is about 447.8726635737.

The spelling of 89838743 in words is "eighty-nine million, eight hundred thirty-eight thousand, seven hundred forty-three".