89205469 has 2 divisors, whose sum is σ = 89205470. Its totient is φ = 89205468.

The previous prime is 89205461. The next prime is 89205497. The reversal of 89205469 is 96450298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75030244 + 14175225 = 8662^2 + 3765^2 .

It is a cyclic number.

It is not a de Polignac number, because 89205469 - 2³ = 89205461 is a prime.

It is a super-2 number, since 2×89205469² = 15915231399019922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89205461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44602734 + 44602735.

It is an arithmetic number, because the mean of its divisors is an integer number (44602735).

Almost surely, 2^89205469 is an apocalyptic number.

It is an amenable number.

89205469 is a deficient number, since it is larger than the sum of its proper divisors (1).

89205469 is an equidigital number, since it uses as much as digits as its factorization.

89205469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 89205469 is about 9444.8646893431. The cubic root of 89205469 is about 446.8178285313.

The spelling of 89205469 in words is "eighty-nine million, two hundred five thousand, four hundred sixty-nine".