629690929 has 8 divisors (see below), whose sum is σ = 726249920. Its totient is φ = 534782736.

The previous prime is 629690927. The next prime is 629690939. The reversal of 629690929 is 929096926.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 629690929 - 2¹ = 629690927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629690927) 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 7 ways as a sum of consecutive naturals, for example, 411879 + ... + 413404.

It is an arithmetic number, because the mean of its divisors is an integer number (90781240).

Almost surely, 2^629690929 is an apocalyptic number.

It is an amenable number.

629690929 is a deficient number, since it is larger than the sum of its proper divisors (96558991).

629690929 is a wasteful number, since it uses less digits than its factorization.

629690929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825399.

The product of its (nonzero) digits is 944784, while the sum is 52.

The square root of 629690929 is about 25093.6431990255. The cubic root of 629690929 is about 857.1216775812.

The spelling of 629690929 in words is "six hundred twenty-nine million, six hundred ninety thousand, nine hundred twenty-nine".