9481618 has 8 divisors (see below), whose sum is σ = 14243148. Its totient is φ = 4733904.

The previous prime is 9481613. The next prime is 9481621. The reversal of 9481618 is 8161849.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9467929 + 13689 = 3077^2 + 117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9481613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1521 + ... + 4612.

Almost surely, 2^9481618 is an apocalyptic number.

9481618 is a deficient number, since it is larger than the sum of its proper divisors (4761530).

9481618 is a wasteful number, since it uses less digits than its factorization.

9481618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908.

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

The square root of 9481618 is about 3079.2236034429. The cubic root of 9481618 is about 211.6544894173.

The spelling of 9481618 in words is "nine million, four hundred eighty-one thousand, six hundred eighteen".