89921606 has 8 divisors (see below), whose sum is σ = 135251040. Its totient is φ = 44837928.

The previous prime is 89921603. The next prime is 89921609. The reversal of 89921606 is 60612998.

It is an interprime number because it is at equal distance from previous prime (89921603) and next prime (89921609).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89921603) 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 in 3 ways as a sum of consecutive naturals, for example, 60521 + ... + 61988.

It is an arithmetic number, because the mean of its divisors is an integer number (16906380).

Almost surely, 2^89921606 is an apocalyptic number.

89921606 is a deficient number, since it is larger than the sum of its proper divisors (45329434).

89921606 is a wasteful number, since it uses less digits than its factorization.

89921606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122878.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 89921606 is about 9482.7003538022. The cubic root of 89921606 is about 448.0103201013.

The spelling of 89921606 in words is "eighty-nine million, nine hundred twenty-one thousand, six hundred six".