89198409 has 8 divisors (see below), whose sum is σ = 120881152. Its totient is φ = 58490640.

The previous prime is 89198399. The next prime is 89198413. The reversal of 89198409 is 90489198.

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

It is not a de Polignac number, because 89198409 - 2¹⁶ = 89132873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89198419) 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, 243529 + ... + 243894.

It is an arithmetic number, because the mean of its divisors is an integer number (15110144).

Almost surely, 2^89198409 is an apocalyptic number.

It is an amenable number.

89198409 is a deficient number, since it is larger than the sum of its proper divisors (31682743).

89198409 is a wasteful number, since it uses less digits than its factorization.

89198409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487487.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 89198409 is about 9444.4909338725. The cubic root of 89198409 is about 446.8060406999.

The spelling of 89198409 in words is "eighty-nine million, one hundred ninety-eight thousand, four hundred nine".