629143284 has 192 divisors, whose sum is σ = 1933424640. Its totient is φ = 154452480.

The previous prime is 629143267. The next prime is 629143303. The reversal of 629143284 is 482341926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1419967 + ... + 1420409.

It is an arithmetic number, because the mean of its divisors is an integer number (10069920).

Almost surely, 2^629143284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629143284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (966712320).

629143284 is an abundant number, since it is smaller than the sum of its proper divisors (1304281356).

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

629143284 is a wasteful number, since it uses less digits than its factorization.

629143284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 548 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 629143284 is about 25082.7287989166. The cubic root of 629143284 is about 856.8731246670.

The spelling of 629143284 in words is "six hundred twenty-nine million, one hundred forty-three thousand, two hundred eighty-four".