628103404 has 24 divisors (see below), whose sum is σ = 1117670400. Its totient is φ = 308802000.

The previous prime is 628103401. The next prime is 628103407. The reversal of 628103404 is 404301826.

It is an interprime number because it is at equal distance from previous prime (628103401) and next prime (628103407).

It is a super-2 number, since 2×628103404² = 789027772232774432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (628103401) 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 7 ways as a sum of consecutive naturals, for example, 75357 + ... + 83275.

It is an arithmetic number, because the mean of its divisors is an integer number (46569600).

Almost surely, 2^628103404 is an apocalyptic number.

It is an amenable number.

628103404 is a deficient number, since it is larger than the sum of its proper divisors (489566996).

628103404 is a wasteful number, since it uses less digits than its factorization.

628103404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253 (or 8251 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 628103404 is about 25061.9912217685. The cubic root of 628103404 is about 856.4007698419.

The spelling of 628103404 in words is "six hundred twenty-eight million, one hundred three thousand, four hundred four".