628630093 has 16 divisors (see below), whose sum is σ = 779619456. Its totient is φ = 493571520.

The previous prime is 628630091. The next prime is 628630099. The reversal of 628630093 is 390036826.

It is a happy number.

It is not a de Polignac number, because 628630093 - 2¹ = 628630091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628630091) 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, 14446 + ... + 38287.

It is an arithmetic number, because the mean of its divisors is an integer number (48726216).

Almost surely, 2^628630093 is an apocalyptic number.

It is an amenable number.

628630093 is a deficient number, since it is larger than the sum of its proper divisors (150989363).

628630093 is a wasteful number, since it uses less digits than its factorization.

628630093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52884.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 628630093 is about 25072.4967444409. The cubic root of 628630093 is about 856.6400780220.

The spelling of 628630093 in words is "six hundred twenty-eight million, six hundred thirty thousand, ninety-three".