629899327 has 4 divisors (see below), whose sum is σ = 636136056. Its totient is φ = 623662600.

The previous prime is 629899307. The next prime is 629899357. The reversal of 629899327 is 723998926.

It is a happy number.

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 629899327 - 2¹⁹ = 629375039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629899307) 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, 3118213 + ... + 3118414.

It is an arithmetic number, because the mean of its divisors is an integer number (159034014).

Almost surely, 2^629899327 is an apocalyptic number.

629899327 is a deficient number, since it is larger than the sum of its proper divisors (6236729).

629899327 is a wasteful number, since it uses less digits than its factorization.

629899327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236728.

The product of its digits is 2939328, while the sum is 55.

The square root of 629899327 is about 25097.7952617356. The cubic root of 629899327 is about 857.2162227692.

It can be divided in two parts, 6298 and 99327, that added together give a square (105625 = 325²).

The spelling of 629899327 in words is "six hundred twenty-nine million, eight hundred ninety-nine thousand, three hundred twenty-seven".