629403 has 4 divisors (see below), whose sum is σ = 839208. Its totient is φ = 419600.

The previous prime is 629401. The next prime is 629411. The reversal of 629403 is 304926.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 629403 - 2¹ = 629401 is a prime.

It is a super-2 number, since 2×629403² = 792296272818, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (629401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104898 + ... + 104903.

It is an arithmetic number, because the mean of its divisors is an integer number (209802).

2⁶²⁹⁴⁰³ is an apocalyptic number.

629403 is a deficient number, since it is larger than the sum of its proper divisors (209805).

629403 is a wasteful number, since it uses less digits than its factorization.

629403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209804.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 629403 is about 793.3492295326. The cubic root of 629403 is about 85.6991016754.

The spelling of 629403 in words is "six hundred twenty-nine thousand, four hundred three".