89386505 has 16 divisors (see below), whose sum is σ = 116197200. Its totient is φ = 65618688.

The previous prime is 89386483. The next prime is 89386511. The reversal of 89386505 is 50568398.

It can be written as a sum of positive squares in 8 ways, for example, as 121801 + 89264704 = 349^2 + 9448^2 .

It is a cyclic number.

It is not a de Polignac number, because 89386505 - 2¹⁴ = 89370121 is a prime.

It is a super-2 number, since 2×89386505² = 15979894552230050, which contains 22 as substring.

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, 7271 + ... + 15219.

It is an arithmetic number, because the mean of its divisors is an integer number (7262325).

Almost surely, 2^89386505 is an apocalyptic number.

It is an amenable number.

89386505 is a deficient number, since it is larger than the sum of its proper divisors (26810695).

89386505 is a wasteful number, since it uses less digits than its factorization.

89386505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 89386505 is about 9454.4436642248. The cubic root of 89386505 is about 447.1198856986.

The spelling of 89386505 in words is "eighty-nine million, three hundred eighty-six thousand, five hundred five".