618916 has 12 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 307880.

The previous prime is 618913. The next prime is 618929. The reversal of 618916 is 619816.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (618913) 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, 1221 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2⁶¹⁸⁹¹⁶ is an apocalyptic number.

It is an amenable number.

618916 is a deficient number, since it is larger than the sum of its proper divisors (469724).

618916 is a wasteful number, since it uses less digits than its factorization.

618916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 792 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 618916 is about 786.7121455780. The cubic root of 618916 is about 85.2204657427.

Subtracting 618916 from its reverse (619816), we obtain a square (900 = 30²).

The spelling of 618916 in words is "six hundred eighteen thousand, nine hundred sixteen".