629669404 has 72 divisors (see below), whose sum is σ = 1417950240. Its totient is φ = 242331264.

The previous prime is 629669401. The next prime is 629669483. The reversal of 629669404 is 404966926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629669401) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 90937 + ... + 97615.

Almost surely, 2^629669404 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 629669404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708975120).

629669404 is an abundant number, since it is smaller than the sum of its proper divisors (788280836).

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

629669404 is a wasteful number, since it uses less digits than its factorization.

629669404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747 (or 6738 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 629669404 is about 25093.2143018785. The cubic root of 629669404 is about 857.1119110150. Note that the first 3 decimals are identical.

The spelling of 629669404 in words is "six hundred twenty-nine million, six hundred sixty-nine thousand, four hundred four".