629650830 has 64 divisors (see below), whose sum is σ = 1556236800. Its totient is φ = 162923904.

The previous prime is 629650807. The next prime is 629650837. The reversal of 629650830 is 38056926.

629650830 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629650837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 664417 + ... + 665363.

It is an arithmetic number, because the mean of its divisors is an integer number (24316200).

Almost surely, 2^629650830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629650830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778118400).

629650830 is an abundant number, since it is smaller than the sum of its proper divisors (926585970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629650830 is a wasteful number, since it uses less digits than its factorization.

629650830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 629650830 is about 25092.8441990939. The cubic root of 629650830 is about 857.1034832310.

The spelling of 629650830 in words is "six hundred twenty-nine million, six hundred fifty thousand, eight hundred thirty".