624630 has 32 divisors (see below), whose sum is σ = 1534464. Its totient is φ = 162656.

The previous prime is 624607. The next prime is 624643. The reversal of 624630 is 36426.

It is a junction number, because it is equal to n+sod(n) for n = 624597 and 624606.

It is a congruent number.

It is an unprimeable number.

624630 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 15 ways as a sum of consecutive naturals, for example, 1189 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (47952).

2⁶²⁴⁶³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 624630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767232).

624630 is an abundant number, since it is smaller than the sum of its proper divisors (909834).

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

624630 is a wasteful number, since it uses less digits than its factorization.

624630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 624630 is about 790.3353718517. The cubic root of 624630 is about 85.4819222407.

The spelling of 624630 in words is "six hundred twenty-four thousand, six hundred thirty".