89903606 has 12 divisors (see below), whose sum is σ = 146027412. Its totient is φ = 41493816.

The previous prime is 89903603. The next prime is 89903629. The reversal of 89903606 is 60630998.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89903603) 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 in 5 ways as a sum of consecutive naturals, for example, 132656 + ... + 133331.

It is an arithmetic number, because the mean of its divisors is an integer number (12168951).

Almost surely, 2^89903606 is an apocalyptic number.

89903606 is a deficient number, since it is larger than the sum of its proper divisors (56123806).

89903606 is a wasteful number, since it uses less digits than its factorization.

89903606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266015 (or 266002 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 89903606 is about 9481.7512095604. The cubic root of 89903606 is about 447.9804247133.

It can be divided in two parts, 89903 and 606, that added together give a palindrome (90509).

The spelling of 89903606 in words is "eighty-nine million, nine hundred three thousand, six hundred six".