624343 has 4 divisors (see below), whose sum is σ = 626248. Its totient is φ = 622440.

The previous prime is 624331. The next prime is 624347. The reversal of 624343 is 343426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343426 = 2 ⋅171713.

It is a cyclic number.

It is not a de Polignac number, because 624343 - 2⁵ = 624311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624347) 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 in 3 ways as a sum of consecutive naturals, for example, 321 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (156562).

2⁶²⁴³⁴³ is an apocalyptic number.

624343 is a deficient number, since it is larger than the sum of its proper divisors (1905).

624343 is a wasteful number, since it uses less digits than its factorization.

624343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its digits is 1728, while the sum is 22.

The square root of 624343 is about 790.1537825006. The cubic root of 624343 is about 85.4688280516.

Adding to 624343 its reverse (343426), we get a palindrome (967769).

The spelling of 624343 in words is "six hundred twenty-four thousand, three hundred forty-three".