629858338 has 8 divisors (see below), whose sum is σ = 944960940. Its totient is φ = 314871360.

The previous prime is 629858329. The next prime is 629858387. The reversal of 629858338 is 833858926.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 529598169 + 100260169 = 23013^2 + 10013^2 .

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

It is an unprimeable number.

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, 13683 + ... + 38038.

Almost surely, 2^629858338 is an apocalyptic number.

629858338 is a deficient number, since it is larger than the sum of its proper divisors (315102602).

629858338 is a wasteful number, since it uses less digits than its factorization.

629858338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57812.

The product of its digits is 2488320, while the sum is 52.

The square root of 629858338 is about 25096.9786627793. The cubic root of 629858338 is about 857.1976286878.

The spelling of 629858338 in words is "six hundred twenty-nine million, eight hundred fifty-eight thousand, three hundred thirty-eight".