618604 has 12 divisors (see below), whose sum is σ = 1237264. Its totient is φ = 265104.

The previous prime is 618593. The next prime is 618619. The reversal of 618604 is 406816.

618604 is an admirable number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11019 + ... + 11074.

2⁶¹⁸⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

618604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

618604 is a wasteful number, since it uses less digits than its factorization.

618604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22104 (or 22102 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 618604 is about 786.5138269605. The cubic root of 618604 is about 85.2061432528.

The spelling of 618604 in words is "six hundred eighteen thousand, six hundred four".