628297113 has 8 divisors (see below), whose sum is σ = 840844800. Its totient is φ = 417307088.

The previous prime is 628297099. The next prime is 628297147. The reversal of 628297113 is 311792826.

628297113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 628297113 - 2²⁰ = 627248537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (628297213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388473 + ... + 390086.

It is an arithmetic number, because the mean of its divisors is an integer number (105105600).

Almost surely, 2^628297113 is an apocalyptic number.

It is an amenable number.

628297113 is a deficient number, since it is larger than the sum of its proper divisors (212547687).

628297113 is a wasteful number, since it uses less digits than its factorization.

628297113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778831.

The product of its digits is 36288, while the sum is 39.

The square root of 628297113 is about 25065.8555210071. The cubic root of 628297113 is about 856.4887996602.

The spelling of 628297113 in words is "six hundred twenty-eight million, two hundred ninety-seven thousand, one hundred thirteen".