624089 has 2 divisors, whose sum is σ = 624090. Its totient is φ = 624088.

The previous prime is 624067. The next prime is 624097. The reversal of 624089 is 980426.

624089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 258064 = 605^2 + 508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-624089 is a prime.

It is not a weakly prime, because it can be changed into another prime (624049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312044 + 312045.

It is an arithmetic number, because the mean of its divisors is an integer number (312045).

2⁶²⁴⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

624089 is a deficient number, since it is larger than the sum of its proper divisors (1).

624089 is an equidigital number, since it uses as much as digits as its factorization.

624089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 624089 is about 789.9930379440. The cubic root of 624089 is about 85.4572361184.

The spelling of 624089 in words is "six hundred twenty-four thousand, eighty-nine".