89486181 has 64 divisors (see below), whose sum is σ = 152985600. Its totient is φ = 51321600.

The previous prime is 89486171. The next prime is 89486183. The reversal of 89486181 is 18168498.

It is not a de Polignac number, because 89486181 - 2¹⁴ = 89469797 is a prime.

It is a super-2 number, since 2×89486181² = 16015553179929522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89486183) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 270186 + ... + 270516.

It is an arithmetic number, because the mean of its divisors is an integer number (2390400).

Almost surely, 2^89486181 is an apocalyptic number.

It is an amenable number.

89486181 is a deficient number, since it is larger than the sum of its proper divisors (63499419).

89486181 is a wasteful number, since it uses less digits than its factorization.

89486181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 89486181 is about 9459.7135791735. The cubic root of 89486181 is about 447.2860202704.

It can be divided in two parts, 8948 and 6181, that added together give a square (15129 = 123²).

The spelling of 89486181 in words is "eighty-nine million, four hundred eighty-six thousand, one hundred eighty-one".