629206897 has 12 divisors (see below), whose sum is σ = 694509508. Its totient is φ = 569606400.

The previous prime is 629206889. The next prime is 629206901. The reversal of 629206897 is 798602926.

629206897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 505530256 + 123676641 = 22484^2 + 11121^2 .

It is not a de Polignac number, because 629206897 - 2³ = 629206889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 629206897.

It is not an unprimeable number, because it can be changed into a prime (629206817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18373 + ... + 39949.

Almost surely, 2^629206897 is an apocalyptic number.

It is an amenable number.

629206897 is a deficient number, since it is larger than the sum of its proper divisors (65302611).

629206897 is a wasteful number, since it uses less digits than its factorization.

629206897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21840 (or 21829 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 629206897 is about 25083.9968306488. The cubic root of 629206897 is about 856.9020033207.

The spelling of 629206897 in words is "six hundred twenty-nine million, two hundred six thousand, eight hundred ninety-seven".