89893505 has 8 divisors (see below), whose sum is σ = 116170152. Its totient is φ = 66382848.

The previous prime is 89893493. The next prime is 89893513. The reversal of 89893505 is 50539898.

It can be written as a sum of positive squares in 4 ways, for example, as 22061809 + 67831696 = 4697^2 + 8236^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89893505 - 2⁸ = 89893249 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 89893505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691424 + ... + 691553.

It is an arithmetic number, because the mean of its divisors is an integer number (14521269).

Almost surely, 2^89893505 is an apocalyptic number.

It is an amenable number.

89893505 is a deficient number, since it is larger than the sum of its proper divisors (26276647).

89893505 is a wasteful number, since it uses less digits than its factorization.

89893505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382995.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 89893505 is about 9481.2185398292. The cubic root of 89893505 is about 447.9636466702.

The spelling of 89893505 in words is "eighty-nine million, eight hundred ninety-three thousand, five hundred five".