628100395 has 16 divisors (see below), whose sum is σ = 822824352. Its totient is φ = 457470720.

The previous prime is 628100387. The next prime is 628100413. The reversal of 628100395 is 593001826.

It is not a de Polignac number, because 628100395 - 2³ = 628100387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628100395.

It is an unprimeable number.

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, 61441 + ... + 70930.

It is an arithmetic number, because the mean of its divisors is an integer number (51426522).

Almost surely, 2^628100395 is an apocalyptic number.

628100395 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

628100395 is a deficient number, since it is larger than the sum of its proper divisors (194723957).

628100395 is a wasteful number, since it uses less digits than its factorization.

628100395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132462.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 628100395 is about 25061.9311905527. The cubic root of 628100395 is about 856.3994022783.

The spelling of 628100395 in words is "six hundred twenty-eight million, one hundred thousand, three hundred ninety-five".