89491146 has 16 divisors (see below), whose sum is σ = 179527008. Its totient is φ = 29739600.

The previous prime is 89491093. The next prime is 89491153. The reversal of 89491146 is 64119498.

89491146 is nontrivially palindromic in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 89491098 and 89491107.

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 7 ways as a sum of consecutive naturals, for example, 20545 + ... + 24516.

It is an arithmetic number, because the mean of its divisors is an integer number (11220438).

Almost surely, 2^89491146 is an apocalyptic number.

89491146 is an abundant number, since it is smaller than the sum of its proper divisors (90035862).

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

89491146 is a wasteful number, since it uses less digits than its factorization.

89491146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45397.

The product of its digits is 62208, while the sum is 42.

The square root of 89491146 is about 9459.9760041979. The cubic root of 89491146 is about 447.2942924378.

The spelling of 89491146 in words is "eighty-nine million, four hundred ninety-one thousand, one hundred forty-six".