629039642 has 32 divisors (see below), whose sum is σ = 1181589120. Its totient is φ = 243996480.

The previous prime is 629039641. The next prime is 629039659. The reversal of 629039642 is 246930926.

629039642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 629039642.

It is not an unprimeable number, because it can be changed into a prime (629039641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26348 + ... + 44184.

It is an arithmetic number, because the mean of its divisors is an integer number (36924660).

Almost surely, 2^629039642 is an apocalyptic number.

629039642 is a deficient number, since it is larger than the sum of its proper divisors (552549478).

629039642 is a wasteful number, since it uses less digits than its factorization.

629039642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18086.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 629039642 is about 25080.6627105426. The cubic root of 629039642 is about 856.8260697149.

The spelling of 629039642 in words is "six hundred twenty-nine million, thirty-nine thousand, six hundred forty-two".