972618 has 16 divisors (see below), whose sum is σ = 1987200. Its totient is φ = 317216.

The previous prime is 972613. The next prime is 972623. The reversal of 972618 is 816279.

It is an interprime number because it is at equal distance from previous prime (972613) and next prime (972623).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 972618.

It is not an unprimeable number, because it can be changed into a prime (972611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443 + ... + 2006.

It is an arithmetic number, because the mean of its divisors is an integer number (124200).

2⁹⁷²⁶¹⁸ is an apocalyptic number.

972618 is an abundant number, since it is smaller than the sum of its proper divisors (1014582).

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

972618 is a wasteful number, since it uses less digits than its factorization.

972618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501.

The product of its digits is 6048, while the sum is 33.

The square root of 972618 is about 986.2139727260. The cubic root of 972618 is about 99.0788067541.

It can be divided in two parts, 9 and 72618, that added together give a palindrome (72627).

The spelling of 972618 in words is "nine hundred seventy-two thousand, six hundred eighteen".