624238441 has 8 divisors (see below), whose sum is σ = 629224200. Its totient is φ = 619272960.

The previous prime is 624238387. The next prime is 624238457. The reversal of 624238441 is 144832426.

It can be written as a sum of positive squares in 4 ways, for example, as 201072400 + 423166041 = 14180^2 + 20571^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 624238441 - 2²⁵ = 590684009 is a prime.

It is a super-2 number, since 2×624238441² = 779347262444220962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 624238397 and 624238406.

It is not an unprimeable number, because it can be changed into a prime (624238471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60015 + ... + 69643.

It is an arithmetic number, because the mean of its divisors is an integer number (78653025).

Almost surely, 2^624238441 is an apocalyptic number.

It is an amenable number.

624238441 is a deficient number, since it is larger than the sum of its proper divisors (4985759).

624238441 is a wasteful number, since it uses less digits than its factorization.

624238441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10139.

The product of its digits is 36864, while the sum is 34.

The square root of 624238441 is about 24984.7641773942. The cubic root of 624238441 is about 854.6405661764.

The spelling of 624238441 in words is "six hundred twenty-four million, two hundred thirty-eight thousand, four hundred forty-one".