629764394 has 8 divisors (see below), whose sum is σ = 1079596128. Its totient is φ = 269899020.

The previous prime is 629764363. The next prime is 629764397. The reversal of 629764394 is 493467926.

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

It is not an unprimeable number, because it can be changed into a prime (629764397) 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, 22491572 + ... + 22491599.

It is an arithmetic number, because the mean of its divisors is an integer number (134949516).

Almost surely, 2^629764394 is an apocalyptic number.

629764394 is a deficient number, since it is larger than the sum of its proper divisors (449831734).

629764394 is a wasteful number, since it uses less digits than its factorization.

629764394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44983180.

The product of its digits is 1959552, while the sum is 50.

The square root of 629764394 is about 25095.1069732727. The cubic root of 629764394 is about 857.1550092748.

The spelling of 629764394 in words is "six hundred twenty-nine million, seven hundred sixty-four thousand, three hundred ninety-four".