89181460 has 12 divisors (see below), whose sum is σ = 187281108. Its totient is φ = 35672576.

The previous prime is 89181431. The next prime is 89181461. The reversal of 89181460 is 6418198.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10575504 + 78605956 = 3252^2 + 8866^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89181461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229517 + ... + 2229556.

It is an arithmetic number, because the mean of its divisors is an integer number (15606759).

Almost surely, 2^89181460 is an apocalyptic number.

It is an amenable number.

89181460 is an abundant number, since it is smaller than the sum of its proper divisors (98099648).

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

89181460 is a wasteful number, since it uses less digits than its factorization.

89181460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459082 (or 4459080 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 89181460 is about 9443.5935956605. The cubic root of 89181460 is about 446.7777390169. Note that the first 4 decimals are identical.

The spelling of 89181460 in words is "eighty-nine million, one hundred eighty-one thousand, four hundred sixty".