89405617 has 4 divisors (see below), whose sum is σ = 102177856. Its totient is φ = 76633380.

The previous prime is 89405611. The next prime is 89405629. The reversal of 89405617 is 71650498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71650498 = 2 ⋅35825249.

It is a cyclic number.

It is not a de Polignac number, because 89405617 - 2¹⁵ = 89372849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89405617.

It is not an unprimeable number, because it can be changed into a prime (89405611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6386109 + ... + 6386122.

It is an arithmetic number, because the mean of its divisors is an integer number (25544464).

Almost surely, 2^89405617 is an apocalyptic number.

It is an amenable number.

89405617 is a deficient number, since it is larger than the sum of its proper divisors (12772239).

89405617 is a wasteful number, since it uses less digits than its factorization.

89405617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12772238.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 89405617 is about 9455.4543518543. The cubic root of 89405617 is about 447.1517501144.

The spelling of 89405617 in words is "eighty-nine million, four hundred five thousand, six hundred seventeen".