89741985 has 32 divisors (see below), whose sum is σ = 147432960. Its totient is φ = 46595328.

The previous prime is 89741969. The next prime is 89742013. The reversal of 89741985 is 58914798.

It is not a de Polignac number, because 89741985 - 2⁴ = 89741969 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 124456 + ... + 125174.

It is an arithmetic number, because the mean of its divisors is an integer number (4607280).

Almost surely, 2^89741985 is an apocalyptic number.

It is an amenable number.

89741985 is a deficient number, since it is larger than the sum of its proper divisors (57690975).

89741985 is a wasteful number, since it uses less digits than its factorization.

89741985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937.

The product of its digits is 725760, while the sum is 51.

The square root of 89741985 is about 9473.2246357827. The cubic root of 89741985 is about 447.7118167472.

The spelling of 89741985 in words is "eighty-nine million, seven hundred forty-one thousand, nine hundred eighty-five".