634441 has 2 divisors, whose sum is σ = 634442. Its totient is φ = 634440.

The previous prime is 634421. The next prime is 634471. The reversal of 634441 is 144436.

It is a happy number.

634441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594441 + 40000 = 771^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 634441 - 2⁷ = 634313 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (634421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317220 + 317221.

It is an arithmetic number, because the mean of its divisors is an integer number (317221).

2⁶³⁴⁴⁴¹ is an apocalyptic number.

It is an amenable number.

634441 is a deficient number, since it is larger than the sum of its proper divisors (1).

634441 is an equidigital number, since it uses as much as digits as its factorization.

634441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 22.

The square root of 634441 is about 796.5180475043. The cubic root of 634441 is about 85.9271512166.

Adding to 634441 its reverse (144436), we get a palindrome (778877).

The spelling of 634441 in words is "six hundred thirty-four thousand, four hundred forty-one".