89693409 has 16 divisors (see below), whose sum is σ = 129475584. Its totient is φ = 54902400.

The previous prime is 89693389. The next prime is 89693413. The reversal of 89693409 is 90439698.

It is a happy number.

It is not a de Polignac number, because 89693409 - 2¹⁶ = 89627873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89693419) 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 15 ways as a sum of consecutive naturals, for example, 1429 + ... + 13469.

It is an arithmetic number, because the mean of its divisors is an integer number (8092224).

Almost surely, 2^89693409 is an apocalyptic number.

It is an amenable number.

89693409 is a deficient number, since it is larger than the sum of its proper divisors (39782175).

89693409 is a wasteful number, since it uses less digits than its factorization.

89693409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12248.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 89693409 is about 9470.6604310365. The cubic root of 89693409 is about 447.6310222549.

The spelling of 89693409 in words is "eighty-nine million, six hundred ninety-three thousand, four hundred nine".