89640182 has 4 divisors (see below), whose sum is σ = 134460276. Its totient is φ = 44820090.

The previous prime is 89640181. The next prime is 89640211. The reversal of 89640182 is 28104698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28104698 = 2 ⋅14052349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89640181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22410044 + ... + 22410047.

It is an arithmetic number, because the mean of its divisors is an integer number (33615069).

Almost surely, 2^89640182 is an apocalyptic number.

89640182 is a deficient number, since it is larger than the sum of its proper divisors (44820094).

89640182 is a wasteful number, since it uses less digits than its factorization.

89640182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44820093.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 89640182 is about 9467.8499143153. The cubic root of 89640182 is about 447.5424584414.

The spelling of 89640182 in words is "eighty-nine million, six hundred forty thousand, one hundred eighty-two".