966618 has 24 divisors (see below), whose sum is σ = 2122848. Its totient is φ = 317832.

The previous prime is 966617. The next prime is 966619. The reversal of 966618 is 816669.

It is an interprime number because it is at equal distance from previous prime (966617) and next prime (966619).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 966618.

It is not an unprimeable number, because it can be changed into a prime (966613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1171 + ... + 1817.

It is an arithmetic number, because the mean of its divisors is an integer number (88452).

2⁹⁶⁶⁶¹⁸ is an apocalyptic number.

966618 is an abundant number, since it is smaller than the sum of its proper divisors (1156230).

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

966618 is a wasteful number, since it uses less digits than its factorization.

966618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 735 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 966618 is about 983.1673306208. The cubic root of 966618 is about 98.8746500467.

It can be divided in two parts, 96661 and 8, that added together give a palindrome (96669).

The spelling of 966618 in words is "nine hundred sixty-six thousand, six hundred eighteen".