624238 has 8 divisors (see below), whose sum is σ = 945432. Its totient is φ = 309096.

The previous prime is 624233. The next prime is 624241. The reversal of 624238 is 832426.

It is a happy number.

624238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624233) by changing a digit.

624238 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 in 3 ways as a sum of consecutive naturals, for example, 1245 + ... + 1672.

It is an arithmetic number, because the mean of its divisors is an integer number (118179).

2⁶²⁴²³⁸ is an apocalyptic number.

624238 is a deficient number, since it is larger than the sum of its proper divisors (321194).

624238 is a wasteful number, since it uses less digits than its factorization.

624238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026.

The product of its digits is 2304, while the sum is 25.

The square root of 624238 is about 790.0873369445. The cubic root of 624238 is about 85.4640364920.

The spelling of 624238 in words is "six hundred twenty-four thousand, two hundred thirty-eight".