89605399 has 8 divisors (see below), whose sum is σ = 97494320. Its totient is φ = 81858816.

The previous prime is 89605393. The next prime is 89605423. The reversal of 89605399 is 99350698.

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

It is not a de Polignac number, because 89605399 - 2⁵ = 89605367 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 (89605393) 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, 34269 + ... + 36790.

It is an arithmetic number, because the mean of its divisors is an integer number (12186790).

Almost surely, 2^89605399 is an apocalyptic number.

89605399 is a deficient number, since it is larger than the sum of its proper divisors (7888921).

89605399 is a wasteful number, since it uses less digits than its factorization.

89605399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71169.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 89605399 is about 9466.0128354022. The cubic root of 89605399 is about 447.4845644520.

The spelling of 89605399 in words is "eighty-nine million, six hundred five thousand, three hundred ninety-nine".