628199026 has 24 divisors (see below), whose sum is σ = 1166128704. Its totient is φ = 248517360.

The previous prime is 628198969. The next prime is 628199027. The reversal of 628199026 is 620991826.

628199026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (628199027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130390 + ... + 135121.

It is an arithmetic number, because the mean of its divisors is an integer number (48588696).

Almost surely, 2^628199026 is an apocalyptic number.

628199026 is a deficient number, since it is larger than the sum of its proper divisors (537929678).

628199026 is a wasteful number, since it uses less digits than its factorization.

628199026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265546 (or 265533 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 628199026 is about 25063.8988587171. The cubic root of 628199026 is about 856.4442269110. Note that the first 3 decimals are identical.

The spelling of 628199026 in words is "six hundred twenty-eight million, one hundred ninety-nine thousand, twenty-six".