89541865 has 32 divisors (see below), whose sum is σ = 126720000. Its totient is φ = 60709824.

The previous prime is 89541847. The next prime is 89541869. The reversal of 89541865 is 56814598.

It is not a de Polignac number, because 89541865 - 2¹¹ = 89539817 is a prime.

Its product of digits (345600) is a multiple of the sum of its prime divisors (600).

It is not an unprimeable number, because it can be changed into a prime (89541869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186696 + ... + 187174.

It is an arithmetic number, because the mean of its divisors is an integer number (3960000).

Almost surely, 2^89541865 is an apocalyptic number.

It is an amenable number.

89541865 is a deficient number, since it is larger than the sum of its proper divisors (37178135).

89541865 is a wasteful number, since it uses less digits than its factorization.

89541865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 600 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The square root of 89541865 is about 9462.6563395275. The cubic root of 89541865 is about 447.3787776477.

The spelling of 89541865 in words is "eighty-nine million, five hundred forty-one thousand, eight hundred sixty-five".