629401 has 2 divisors, whose sum is σ = 629402. Its totient is φ = 629400.

The previous prime is 629383. The next prime is 629411. The reversal of 629401 is 104926.

629401 is nontrivially palindromic in base 16.

629401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602176 + 27225 = 776^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 629401 - 2¹¹ = 627353 is a prime.

It is a super-2 number, since 2×629401² = 792291237602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (629411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314700 + 314701.

It is an arithmetic number, because the mean of its divisors is an integer number (314701).

2⁶²⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

629401 is a deficient number, since it is larger than the sum of its proper divisors (1).

629401 is an equidigital number, since it uses as much as digits as its factorization.

629401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 629401 is about 793.3479690527. The cubic root of 629401 is about 85.6990109024.

The spelling of 629401 in words is "six hundred twenty-nine thousand, four hundred one".