89541986 has 4 divisors (see below), whose sum is σ = 134312982. Its totient is φ = 44770992.

The previous prime is 89541973. The next prime is 89541989. The reversal of 89541986 is 68914598.

It is a happy number.

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., 51337225 + 38204761 = 7165^2 + 6181^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89541989) by changing a digit.

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 as a sum of consecutive naturals, namely, 22385495 + ... + 22385498.

Almost surely, 2^89541986 is an apocalyptic number.

89541986 is a deficient number, since it is larger than the sum of its proper divisors (44770996).

89541986 is a wasteful number, since it uses less digits than its factorization.

89541986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44770995.

The product of its digits is 622080, while the sum is 50.

The square root of 89541986 is about 9462.6627330789. The cubic root of 89541986 is about 447.3789791654.

The spelling of 89541986 in words is "eighty-nine million, five hundred forty-one thousand, nine hundred eighty-six".