624347 has 2 divisors, whose sum is σ = 624348. Its totient is φ = 624346.

The previous prime is 624331. The next prime is 624391. The reversal of 624347 is 743426.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 624347 - 2⁴ = 624331 is a prime.

It is not a weakly prime, because it can be changed into another prime (624047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312173 + 312174.

It is an arithmetic number, because the mean of its divisors is an integer number (312174).

2⁶²⁴³⁴⁷ is an apocalyptic number.

624347 is a deficient number, since it is larger than the sum of its proper divisors (1).

624347 is an equidigital number, since it uses as much as digits as its factorization.

624347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 624347 is about 790.1563136494. The cubic root of 624347 is about 85.4690105765.

The spelling of 624347 in words is "six hundred twenty-four thousand, three hundred forty-seven".