634199 has 2 divisors, whose sum is σ = 634200. Its totient is φ = 634198.

The previous prime is 634187. The next prime is 634211. The reversal of 634199 is 991436.

It is a balanced prime because it is at equal distance from previous prime (634187) and next prime (634211).

It is a cyclic number.

It is not a de Polignac number, because 634199 - 2⁸ = 633943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317099 + 317100.

It is an arithmetic number, because the mean of its divisors is an integer number (317100).

2⁶³⁴¹⁹⁹ is an apocalyptic number.

634199 is a deficient number, since it is larger than the sum of its proper divisors (1).

634199 is an equidigital number, since it uses as much as digits as its factorization.

634199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 634199 is about 796.3661218309. The cubic root of 634199 is about 85.9162245294.

The spelling of 634199 in words is "six hundred thirty-four thousand, one hundred ninety-nine".