89260609 has 4 divisors (see below), whose sum is σ = 89280900. Its totient is φ = 89240320.

The previous prime is 89260601. The next prime is 89260627. The reversal of 89260609 is 90606298.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90606298 = 2 ⋅45303149.

It can be written as a sum of positive squares in 2 ways, for example, as 62964225 + 26296384 = 7935^2 + 5128^2 .

It is a cyclic number.

It is not a de Polignac number, because 89260609 - 2³ = 89260601 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89260601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472 + ... + 13369.

It is an arithmetic number, because the mean of its divisors is an integer number (22320225).

Almost surely, 2^89260609 is an apocalyptic number.

It is an amenable number.

89260609 is a deficient number, since it is larger than the sum of its proper divisors (20291).

89260609 is a wasteful number, since it uses less digits than its factorization.

89260609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20290.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 89260609 is about 9447.7832849828. The cubic root of 89260609 is about 446.9098724412.

The spelling of 89260609 in words is "eighty-nine million, two hundred sixty thousand, six hundred nine".