624028 has 6 divisors (see below), whose sum is σ = 1092056. Its totient is φ = 312012.

The previous prime is 624007. The next prime is 624031. The reversal of 624028 is 820426.

It is a congruent number.

It is an unprimeable number.

624028 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 as a sum of consecutive naturals, namely, 78000 + ... + 78007.

2⁶²⁴⁰²⁸ is an apocalyptic number.

It is an amenable number.

624028 is a deficient number, since it is larger than the sum of its proper divisors (468028).

624028 is a wasteful number, since it uses less digits than its factorization.

624028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156011 (or 156009 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 624028 is about 789.9544290654. The cubic root of 624028 is about 85.4544517606.

The spelling of 624028 in words is "six hundred twenty-four thousand, twenty-eight".