906618 has 16 divisors (see below), whose sum is σ = 1848096. Its totient is φ = 296400.

The previous prime is 906617. The next prime is 906641. The reversal of 906618 is 816609.

It is not an unprimeable number, because it can be changed into a prime (906613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (115506).

2⁹⁰⁶⁶¹⁸ is an apocalyptic number.

906618 is an abundant number, since it is smaller than the sum of its proper divisors (941478).

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

906618 is a wasteful number, since it uses less digits than its factorization.

906618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 906618 is about 952.1649016846. The cubic root of 906618 is about 96.7850129337.

Subtracting from 906618 its reverse (816609), we obtain a palindrome (90009).

The spelling of 906618 in words is "nine hundred six thousand, six hundred eighteen".