89408535 has 16 divisors (see below), whose sum is σ = 143176704. Its totient is φ = 47643552.

The previous prime is 89408519. The next prime is 89408549. The reversal of 89408535 is 53580498.

It is not a de Polignac number, because 89408535 - 2⁴ = 89408519 is a prime.

It is a super-2 number, since 2×89408535² = 15987772261692450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25074 + ... + 28416.

It is an arithmetic number, because the mean of its divisors is an integer number (8948544).

Almost surely, 2^89408535 is an apocalyptic number.

89408535 is a deficient number, since it is larger than the sum of its proper divisors (53768169).

89408535 is a wasteful number, since it uses less digits than its factorization.

89408535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 89408535 is about 9455.6086530694. The cubic root of 89408535 is about 447.1566147402.

The spelling of 89408535 in words is "eighty-nine million, four hundred eight thousand, five hundred thirty-five".