655104 has 36 divisors (see below), whose sum is σ = 1745576. Its totient is φ = 218112.

The previous prime is 655103. The next prime is 655111. The reversal of 655104 is 401556.

It is a happy number.

655104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×655104² = 858322501632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655103) 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, 342 + ... + 1194.

2⁶⁵⁵¹⁰⁴ is an apocalyptic number.

655104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872788).

655104 is an abundant number, since it is smaller than the sum of its proper divisors (1090472).

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

655104 is an equidigital number, since it uses as much as digits as its factorization.

655104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 655104 is about 809.3849516763. The cubic root of 655104 is about 86.8500521846.

The spelling of 655104 in words is "six hundred fifty-five thousand, one hundred four".