89681626 has 4 divisors (see below), whose sum is σ = 134522442. Its totient is φ = 44840812.

The previous prime is 89681611. The next prime is 89681629. The reversal of 89681626 is 62618698.

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., 85581001 + 4100625 = 9251^2 + 2025^2 .

It is not an unprimeable number, because it can be changed into a prime (89681629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22420405 + ... + 22420408.

Almost surely, 2^89681626 is an apocalyptic number.

89681626 is a deficient number, since it is larger than the sum of its proper divisors (44840816).

89681626 is a wasteful number, since it uses less digits than its factorization.

89681626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44840815.

The product of its digits is 248832, while the sum is 46.

The square root of 89681626 is about 9470.0383314958. The cubic root of 89681626 is about 447.6114196725.

The spelling of 89681626 in words is "eighty-nine million, six hundred eighty-one thousand, six hundred twenty-six".