89758 has 4 divisors (see below), whose sum is σ = 134640. Its totient is φ = 44878.

The previous prime is 89753. The next prime is 89759. The reversal of 89758 is 85798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85798 = 2 ⋅42899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89753) by changing a digit.

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 as a sum of consecutive naturals, namely, 22438 + ... + 22441.

It is an arithmetic number, because the mean of its divisors is an integer number (33660).

2⁸⁹⁷⁵⁸ is an apocalyptic number.

89758 is a deficient number, since it is larger than the sum of its proper divisors (44882).

89758 is a wasteful number, since it uses less digits than its factorization.

89758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44881.

The product of its digits is 20160, while the sum is 37.

The square root of 89758 is about 299.5963951719. The cubic root of 89758 is about 44.7738447457.

The spelling of 89758 in words is "eighty-nine thousand, seven hundred fifty-eight".