89186485 has 4 divisors (see below), whose sum is σ = 107023788. Its totient is φ = 71349184.

The previous prime is 89186477. The next prime is 89186491. The reversal of 89186485 is 58468198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58468198 = 2 ⋅29234099.

It can be written as a sum of positive squares in 2 ways, for example, as 53831569 + 35354916 = 7337^2 + 5946^2 .

It is a cyclic number.

It is not a de Polignac number, because 89186485 - 2³ = 89186477 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8918644 + ... + 8918653.

It is an arithmetic number, because the mean of its divisors is an integer number (26755947).

Almost surely, 2^89186485 is an apocalyptic number.

It is an amenable number.

89186485 is a deficient number, since it is larger than the sum of its proper divisors (17837303).

89186485 is a wasteful number, since it uses less digits than its factorization.

89186485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17837302.

The product of its digits is 552960, while the sum is 49.

The square root of 89186485 is about 9443.8596452933. The cubic root of 89186485 is about 446.7861302078.

The spelling of 89186485 in words is "eighty-nine million, one hundred eighty-six thousand, four hundred eighty-five".