89521606 has 4 divisors (see below), whose sum is σ = 134282412. Its totient is φ = 44760802.

The previous prime is 89521577. The next prime is 89521613. The reversal of 89521606 is 60612598.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 22380400 + ... + 22380403.

It is an arithmetic number, because the mean of its divisors is an integer number (33570603).

Almost surely, 2^89521606 is an apocalyptic number.

89521606 is a deficient number, since it is larger than the sum of its proper divisors (44760806).

89521606 is a wasteful number, since it uses less digits than its factorization.

89521606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44760805.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 89521606 is about 9461.5858078865. The cubic root of 89521606 is about 447.3450350318.

The spelling of 89521606 in words is "eighty-nine million, five hundred twenty-one thousand, six hundred six".