629914988 has 6 divisors (see below), whose sum is σ = 1102351236. Its totient is φ = 314957492.

The previous prime is 629914951. The next prime is 629915023. The reversal of 629914988 is 889419926.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78739370 + ... + 78739377.

It is an arithmetic number, because the mean of its divisors is an integer number (183725206).

Almost surely, 2^629914988 is an apocalyptic number.

It is an amenable number.

629914988 is a deficient number, since it is larger than the sum of its proper divisors (472436248).

629914988 is a wasteful number, since it uses less digits than its factorization.

629914988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157478751 (or 157478749 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The square root of 629914988 is about 25098.1072593134. The cubic root of 629914988 is about 857.2233269478.

The spelling of 629914988 in words is "six hundred twenty-nine million, nine hundred fourteen thousand, nine hundred eighty-eight".