629479388 has 12 divisors (see below), whose sum is σ = 1102245480. Its totient is φ = 314552112.

The previous prime is 629479381. The next prime is 629479391. The reversal of 629479388 is 883974926.

It is a happy number.

629479388 is digitally balanced in base 2, 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 (629479381) 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, 39206 + ... + 52877.

It is an arithmetic number, because the mean of its divisors is an integer number (91853790).

Almost surely, 2^629479388 is an apocalyptic number.

It is an amenable number.

629479388 is a deficient number, since it is larger than the sum of its proper divisors (472766092).

629479388 is a wasteful number, since it uses less digits than its factorization.

629479388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93796 (or 93794 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The square root of 629479388 is about 25089.4278133241. The cubic root of 629479388 is about 857.0256851526.

The spelling of 629479388 in words is "six hundred twenty-nine million, four hundred seventy-nine thousand, three hundred eighty-eight".