89080409 has 4 divisors (see below), whose sum is σ = 97178640. Its totient is φ = 80982180.

The previous prime is 89080399. The next prime is 89080421. The reversal of 89080409 is 90408098.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89080409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89080429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4049099 + ... + 4049120.

It is an arithmetic number, because the mean of its divisors is an integer number (24294660).

Almost surely, 2^89080409 is an apocalyptic number.

It is an amenable number.

89080409 is a deficient number, since it is larger than the sum of its proper divisors (8098231).

89080409 is a wasteful number, since it uses less digits than its factorization.

89080409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8098230.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 89080409 is about 9438.2418383934. The cubic root of 89080409 is about 446.6089281448.

The spelling of 89080409 in words is "eighty-nine million, eighty thousand, four hundred nine".