628028748 has 24 divisors (see below), whose sum is σ = 1628222960. Its totient is φ = 209342880.

The previous prime is 628028743. The next prime is 628028759. The reversal of 628028748 is 847820826.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (628028741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907433 + ... + 2907648.

Almost surely, 2^628028748 is an apocalyptic number.

It is an amenable number.

628028748 is an abundant number, since it is smaller than the sum of its proper divisors (1000194212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628028748 is a wasteful number, since it uses less digits than its factorization.

628028748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815094 (or 5815086 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 628028748 is about 25060.5017507631. The cubic root of 628028748 is about 856.3668380674.

The spelling of 628028748 in words is "six hundred twenty-eight million, twenty-eight thousand, seven hundred forty-eight".