89506 has 4 divisors (see below), whose sum is σ = 134262. Its totient is φ = 44752.

The previous prime is 89501. The next prime is 89513. The reversal of 89506 is 60598.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81225 + 8281 = 285^2 + 91^2 .

It is a super-2 number, since 2×89506² = 16022648072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22375 + ... + 22378.

2⁸⁹⁵⁰⁶ is an apocalyptic number.

89506 is a deficient number, since it is larger than the sum of its proper divisors (44756).

89506 is a wasteful number, since it uses less digits than its factorization.

89506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44755.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 89506 is about 299.1755337590. The cubic root of 89506 is about 44.7319038803.

It can be divided in two parts, 89 and 506, that added together give a palindrome (595).

The spelling of 89506 in words is "eighty-nine thousand, five hundred six".