89408309 has 8 divisors (see below), whose sum is σ = 94440192. Its totient is φ = 84510720.

The previous prime is 89408279. The next prime is 89408311. The reversal of 89408309 is 90380498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89408309 - 2¹² = 89404213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89408339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32204 + ... + 34869.

It is an arithmetic number, because the mean of its divisors is an integer number (11805024).

Almost surely, 2^89408309 is an apocalyptic number.

It is an amenable number.

89408309 is a deficient number, since it is larger than the sum of its proper divisors (5031883).

89408309 is a wasteful number, since it uses less digits than its factorization.

89408309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67147.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 89408309 is about 9455.5967024826. The cubic root of 89408309 is about 447.1562379772.

The spelling of 89408309 in words is "eighty-nine million, four hundred eight thousand, three hundred nine".