89559642 has 16 divisors (see below), whose sum is σ = 180794592. Its totient is φ = 29574000.

The previous prime is 89559641. The next prime is 89559719. The reversal of 89559642 is 24695598.

It is a junction number, because it is equal to n+sod(n) for n = 89559591 and 89559600.

It is not an unprimeable number, because it can be changed into a prime (89559641) 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 in 7 ways as a sum of consecutive naturals, for example, 69109 + ... + 70392.

It is an arithmetic number, because the mean of its divisors is an integer number (11299662).

Almost surely, 2^89559642 is an apocalyptic number.

89559642 is an abundant number, since it is smaller than the sum of its proper divisors (91234950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89559642 is a wasteful number, since it uses less digits than its factorization.

89559642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139613.

The product of its digits is 777600, while the sum is 48.

The square root of 89559642 is about 9463.5956168890. The cubic root of 89559642 is about 447.4083821471.

The spelling of 89559642 in words is "eighty-nine million, five hundred fifty-nine thousand, six hundred forty-two".