89998453 has 2 divisors, whose sum is σ = 89998454. Its totient is φ = 89998452.

The previous prime is 89998439. The next prime is 89998483. The reversal of 89998453 is 35489998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 26286129 = 7982^2 + 5127^2 .

It is a cyclic number.

It is not a de Polignac number, because 89998453 - 2¹³ = 89990261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89998394 and 89998403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89998483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44999226 + 44999227.

It is an arithmetic number, because the mean of its divisors is an integer number (44999227).

Almost surely, 2^89998453 is an apocalyptic number.

It is an amenable number.

89998453 is a deficient number, since it is larger than the sum of its proper divisors (1).

89998453 is an equidigital number, since it uses as much as digits as its factorization.

89998453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 55.

The square root of 89998453 is about 9486.7514460958. The cubic root of 89998453 is about 448.1379069621.

The spelling of 89998453 in words is "eighty-nine million, nine hundred ninety-eight thousand, four hundred fifty-three".