89838443 has 2 divisors, whose sum is σ = 89838444. Its totient is φ = 89838442.

The previous prime is 89838439. The next prime is 89838451. The reversal of 89838443 is 34483898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89838443 - 2² = 89838439 is a prime.

It is not a weakly prime, because it can be changed into another prime (89838743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44919221 + 44919222.

It is an arithmetic number, because the mean of its divisors is an integer number (44919222).

Almost surely, 2^89838443 is an apocalyptic number.

89838443 is a deficient number, since it is larger than the sum of its proper divisors (1).

89838443 is an equidigital number, since it uses as much as digits as its factorization.

89838443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 47.

The square root of 89838443 is about 9478.3143543565. The cubic root of 89838443 is about 447.8721650436.

The spelling of 89838443 in words is "eighty-nine million, eight hundred thirty-eight thousand, four hundred forty-three".