89961584 has 10 divisors (see below), whose sum is σ = 174300600. Its totient is φ = 44980784.

The previous prime is 89961563. The next prime is 89961587. The reversal of 89961584 is 48516998.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89961587) by changing a digit.

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 as a sum of consecutive naturals, namely, 2811284 + ... + 2811315.

It is an arithmetic number, because the mean of its divisors is an integer number (17430060).

Almost surely, 2^89961584 is an apocalyptic number.

It is an amenable number.

89961584 is a deficient number, since it is larger than the sum of its proper divisors (84339016).

89961584 is a wasteful number, since it uses less digits than its factorization.

89961584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622607 (or 5622601 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 89961584 is about 9484.8080634244. The cubic root of 89961584 is about 448.0767034908.

The spelling of 89961584 in words is "eighty-nine million, nine hundred sixty-one thousand, five hundred eighty-four".