89061605 has 16 divisors (see below), whose sum is σ = 110659584. Its totient is φ = 68739840.

The previous prime is 89061563. The next prime is 89061613. The reversal of 89061605 is 50616098.

It is not a de Polignac number, because 89061605 - 2⁶ = 89061541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66452 + ... + 67778.

It is an arithmetic number, because the mean of its divisors is an integer number (6916224).

Almost surely, 2^89061605 is an apocalyptic number.

It is an amenable number.

89061605 is a deficient number, since it is larger than the sum of its proper divisors (21597979).

89061605 is a wasteful number, since it uses less digits than its factorization.

89061605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 89061605 is about 9437.2456257109. The cubic root of 89061605 is about 446.5775010129.

The spelling of 89061605 in words is "eighty-nine million, sixty-one thousand, six hundred five".