606624 has 48 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 197120.

The previous prime is 606607. The next prime is 606643. The reversal of 606624 is 426606.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 6⁶ + 0 + 6⁷ + 6⁷ + 2⁵ + 4³ .

It is a junction number, because it is equal to n+sod(n) for n = 606594 and 606603.

It is a congruent number.

It is an unprimeable number.

606624 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6772 + ... + 6860.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2⁶⁰⁶⁶²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816480).

606624 is an abundant number, since it is smaller than the sum of its proper divisors (1026336).

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

606624 is a wasteful number, since it uses less digits than its factorization.

606624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 606624 is about 778.8607064168. The cubic root of 606624 is about 84.6525144952.

The spelling of 606624 in words is "six hundred six thousand, six hundred twenty-four".