89973836 has 12 divisors (see below), whose sum is σ = 157822560. Its totient is φ = 44881680.

The previous prime is 89973823. The next prime is 89973847. The reversal of 89973836 is 63837998.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 24371 + ... + 27818.

It is an arithmetic number, because the mean of its divisors is an integer number (13151880).

Almost surely, 2^89973836 is an apocalyptic number.

It is an amenable number.

89973836 is a deficient number, since it is larger than the sum of its proper divisors (67848724).

89973836 is a wasteful number, since it uses less digits than its factorization.

89973836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52624 (or 52622 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 89973836 is about 9485.4539163922. The cubic root of 89973836 is about 448.0970439751.

It can be divided in two parts, 89973 and 836, that added together give a palindrome (90809).

The spelling of 89973836 in words is "eighty-nine million, nine hundred seventy-three thousand, eight hundred thirty-six".