618606 has 12 divisors (see below), whose sum is σ = 1340352. Its totient is φ = 206196.

The previous prime is 618593. The next prime is 618619. The reversal of 618606 is 606816.

618606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (618593) and next prime (618619).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 618606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17166 + ... + 17201.

It is an arithmetic number, because the mean of its divisors is an integer number (111696).

2⁶¹⁸⁶⁰⁶ is an apocalyptic number.

618606 is an abundant number, since it is smaller than the sum of its proper divisors (721746).

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

618606 is a wasteful number, since it uses less digits than its factorization.

618606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34375 (or 34372 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 618606 is about 786.5150983929. The cubic root of 618606 is about 85.2062350790.

The spelling of 618606 in words is "six hundred eighteen thousand, six hundred six".