89987446 has 4 divisors (see below), whose sum is σ = 134981172. Its totient is φ = 44993722.

The previous prime is 89987423. The next prime is 89987467. The reversal of 89987446 is 64478998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64478998 = 2 ⋅32239499.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22496860 + ... + 22496863.

It is an arithmetic number, because the mean of its divisors is an integer number (33745293).

Almost surely, 2^89987446 is an apocalyptic number.

89987446 is a deficient number, since it is larger than the sum of its proper divisors (44993726).

89987446 is a wasteful number, since it uses less digits than its factorization.

89987446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44993725.

The product of its digits is 3483648, while the sum is 55.

The square root of 89987446 is about 9486.1713035344. The cubic root of 89987446 is about 448.1196368145.

The spelling of 89987446 in words is "eighty-nine million, nine hundred eighty-seven thousand, four hundred forty-six".