629840097 has 16 divisors (see below), whose sum is σ = 936576000. Its totient is φ = 418327632.

The previous prime is 629840083. The next prime is 629840129. The reversal of 629840097 is 790048926.

It is a happy number.

It is not a de Polignac number, because 629840097 - 2⁶ = 629840033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (629840017) 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 15 ways as a sum of consecutive naturals, for example, 36097 + ... + 50622.

It is an arithmetic number, because the mean of its divisors is an integer number (58536000).

Almost surely, 2^629840097 is an apocalyptic number.

It is an amenable number.

629840097 is a deficient number, since it is larger than the sum of its proper divisors (306735903).

629840097 is a wasteful number, since it uses less digits than its factorization.

629840097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86997 (or 86991 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 629840097 is about 25096.6152498699. The cubic root of 629840097 is about 857.1893536563.

The spelling of 629840097 in words is "six hundred twenty-nine million, eight hundred forty thousand, ninety-seven".