629681038 has 16 divisors (see below), whose sum is σ = 1080329184. Its totient is φ = 269644320.

The previous prime is 629681027. The next prime is 629681131. The reversal of 629681038 is 830186926.

It is a junction number, because it is equal to n+sod(n) for n = 629680985 and 629681003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268 + ... + 35488.

It is an arithmetic number, because the mean of its divisors is an integer number (67520574).

Almost surely, 2^629681038 is an apocalyptic number.

629681038 is a deficient number, since it is larger than the sum of its proper divisors (450648146).

629681038 is a wasteful number, since it uses less digits than its factorization.

629681038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36507.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 629681038 is about 25093.4461164663. The cubic root of 629681038 is about 857.1171897526.

The spelling of 629681038 in words is "six hundred twenty-nine million, six hundred eighty-one thousand, thirty-eight".