629814442 has 8 divisors (see below), whose sum is σ = 945826596. Its totient is φ = 314538912.

The previous prime is 629814433. The next prime is 629814443. The reversal of 629814442 is 244418926.

It can be written as a sum of positive squares in 2 ways, for example, as 460059601 + 169754841 = 21449^2 + 13029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 629814395 and 629814404.

It is not an unprimeable number, because it can be changed into a prime (629814443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 182013 + ... + 185440.

Almost surely, 2^629814442 is an apocalyptic number.

629814442 is a deficient number, since it is larger than the sum of its proper divisors (316012154).

629814442 is a wasteful number, since it uses less digits than its factorization.

629814442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368312.

The product of its digits is 110592, while the sum is 40.

The square root of 629814442 is about 25096.1041199625. The cubic root of 629814442 is about 857.1777149925.

The spelling of 629814442 in words is "six hundred twenty-nine million, eight hundred fourteen thousand, four hundred forty-two".