89884493 has 2 divisors, whose sum is σ = 89884494. Its totient is φ = 89884492.

The previous prime is 89884481. The next prime is 89884517. The reversal of 89884493 is 39448898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84695209 + 5189284 = 9203^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 89884493 - 2⁴ = 89884477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89884463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44942246 + 44942247.

It is an arithmetic number, because the mean of its divisors is an integer number (44942247).

Almost surely, 2^89884493 is an apocalyptic number.

It is an amenable number.

89884493 is a deficient number, since it is larger than the sum of its proper divisors (1).

89884493 is an equidigital number, since it uses as much as digits as its factorization.

89884493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 53.

The square root of 89884493 is about 9480.7432725499. The cubic root of 89884493 is about 447.9486764255.

The spelling of 89884493 in words is "eighty-nine million, eight hundred eighty-four thousand, four hundred ninety-three".