629633 has 4 divisors (see below), whose sum is σ = 631380. Its totient is φ = 627888.

The previous prime is 629623. The next prime is 629653. The reversal of 629633 is 336926.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 336926 = 2 ⋅168463.

It can be written as a sum of positive squares in 2 ways, for example, as 494209 + 135424 = 703^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 629633 - 2⁴ = 629617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629596 and 629605.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 629633.

It is not an unprimeable number, because it can be changed into a prime (629623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110 + ... + 1127.

It is an arithmetic number, because the mean of its divisors is an integer number (157845).

2⁶²⁹⁶³³ is an apocalyptic number.

It is an amenable number.

629633 is a deficient number, since it is larger than the sum of its proper divisors (1747).

629633 is a wasteful number, since it uses less digits than its factorization.

629633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its digits is 5832, while the sum is 29.

The square root of 629633 is about 793.4941713712. The cubic root of 629633 is about 85.7095392874.

The spelling of 629633 in words is "six hundred twenty-nine thousand, six hundred thirty-three".