9471618 has 48 divisors (see below), whose sum is σ = 23410296. Its totient is φ = 2741760.

The previous prime is 9471617. The next prime is 9471619. The reversal of 9471618 is 8161749.

It is an interprime number because it is at equal distance from previous prime (9471617) and next prime (9471619).

It can be written as a sum of positive squares in 4 ways, for example, as 4422609 + 5049009 = 2103^2 + 2247^2 .

It is not an unprimeable number, because it can be changed into a prime (9471611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2788 + ... + 5168.

Almost surely, 2^9471618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9471618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11705148).

9471618 is an abundant number, since it is smaller than the sum of its proper divisors (13938678).

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

9471618 is a wasteful number, since it uses less digits than its factorization.

9471618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419 (or 2416 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 9471618 is about 3077.5993891343. The cubic root of 9471618 is about 211.5800545330.

The spelling of 9471618 in words is "nine million, four hundred seventy-one thousand, six hundred eighteen".