624249 has 12 divisors (see below), whose sum is σ = 910000. Its totient is φ = 412344.

The previous prime is 624241. The next prime is 624251. The reversal of 624249 is 942426.

624249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 624249 - 2³ = 624241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (624241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002 + ... + 1500.

2⁶²⁴²⁴⁹ is an apocalyptic number.

It is an amenable number.

624249 is a deficient number, since it is larger than the sum of its proper divisors (285751).

624249 is a wasteful number, since it uses less digits than its factorization.

624249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 641 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 624249 is about 790.0942981695. The cubic root of 624249 is about 85.4645384901.

The spelling of 624249 in words is "six hundred twenty-four thousand, two hundred forty-nine".