628683337 has 2 divisors, whose sum is σ = 628683338. Its totient is φ = 628683336.

The previous prime is 628683331. The next prime is 628683347. The reversal of 628683337 is 733386826.

It is a happy number.

628683337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445378816 + 183304521 = 21104^2 + 13539^2 .

It is a cyclic number.

It is not a de Polignac number, because 628683337 - 2¹⁵ = 628650569 is a prime.

It is not a weakly prime, because it can be changed into another prime (628683331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314341668 + 314341669.

It is an arithmetic number, because the mean of its divisors is an integer number (314341669).

Almost surely, 2^628683337 is an apocalyptic number.

It is an amenable number.

628683337 is a deficient number, since it is larger than the sum of its proper divisors (1).

628683337 is an equidigital number, since it uses as much as digits as its factorization.

628683337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 628683337 is about 25073.5585228743. The cubic root of 628683337 is about 856.6642627039.

The spelling of 628683337 in words is "six hundred twenty-eight million, six hundred eighty-three thousand, three hundred thirty-seven".