629486216 has 16 divisors (see below), whose sum is σ = 1185187740. Its totient is φ = 313436160.

The previous prime is 629486203. The next prime is 629486219. The reversal of 629486216 is 612684926.

It can be written as a sum of positive squares in 2 ways, for example, as 617721316 + 11764900 = 24854^2 + 3430^2 .

It is a super-2 number, since 2×629486216² = 792505792267997312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (629486219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161321 + ... + 165176.

Almost surely, 2^629486216 is an apocalyptic number.

It is an amenable number.

629486216 is a deficient number, since it is larger than the sum of its proper divisors (555701524).

629486216 is a wasteful number, since it uses less digits than its factorization.

629486216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326744 (or 326740 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 629486216 is about 25089.5638862058. The cubic root of 629486216 is about 857.0287838774.

The spelling of 629486216 in words is "six hundred twenty-nine million, four hundred eighty-six thousand, two hundred sixteen".