89434853 has 2 divisors, whose sum is σ = 89434854. Its totient is φ = 89434852.

The previous prime is 89434847. The next prime is 89434871. The reversal of 89434853 is 35843498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89434849 + 4 = 9457^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 89434853 - 2⁶ = 89434789 is a prime.

It is a super-2 number, since 2×89434853² = 15997185862263218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89434823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44717426 + 44717427.

It is an arithmetic number, because the mean of its divisors is an integer number (44717427).

Almost surely, 2^89434853 is an apocalyptic number.

It is an amenable number.

89434853 is a deficient number, since it is larger than the sum of its proper divisors (1).

89434853 is an equidigital number, since it uses as much as digits as its factorization.

89434853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 44.

The square root of 89434853 is about 9457.0002114836. Note that the first 3 decimals coincide. The cubic root of 89434853 is about 447.2004849490.

The spelling of 89434853 in words is "eighty-nine million, four hundred thirty-four thousand, eight hundred fifty-three".