629466217 has 4 divisors (see below), whose sum is σ = 629573776. Its totient is φ = 629358660.

The previous prime is 629466197. The next prime is 629466241. The reversal of 629466217 is 712664926.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712664926 = 2 ⋅356332463.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629466217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629466287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44463 + ... + 56884.

It is an arithmetic number, because the mean of its divisors is an integer number (157393444).

Almost surely, 2^629466217 is an apocalyptic number.

It is an amenable number.

629466217 is a deficient number, since it is larger than the sum of its proper divisors (107559).

629466217 is a wasteful number, since it uses less digits than its factorization.

629466217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107558.

The product of its digits is 217728, while the sum is 43.

The square root of 629466217 is about 25089.1653308754. The cubic root of 629466217 is about 857.0197077453.

The spelling of 629466217 in words is "six hundred twenty-nine million, four hundred sixty-six thousand, two hundred seventeen".