89408618 has 16 divisors (see below), whose sum is σ = 147953736. Its totient is φ = 40258560.

The previous prime is 89408611. The next prime is 89408621. The reversal of 89408618 is 81680498.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17447329 + 71961289 = 4177^2 + 8483^2 .

It is not an unprimeable number, because it can be changed into a prime (89408611) 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 7 ways as a sum of consecutive naturals, for example, 40871 + ... + 43002.

Almost surely, 2^89408618 is an apocalyptic number.

89408618 is a deficient number, since it is larger than the sum of its proper divisors (58545118).

89408618 is a wasteful number, since it uses less digits than its factorization.

89408618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83929.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 89408618 is about 9455.6130419979. The cubic root of 89408618 is about 447.1567531087.

The spelling of 89408618 in words is "eighty-nine million, four hundred eight thousand, six hundred eighteen".