628828156 has 24 divisors (see below), whose sum is σ = 1201178160. Its totient is φ = 285667200.

The previous prime is 628828153. The next prime is 628828159. The reversal of 628828156 is 651828826.

It is an interprime number because it is at equal distance from previous prime (628828153) and next prime (628828159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628828153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108090 + ... + 113758.

It is an arithmetic number, because the mean of its divisors is an integer number (50049090).

Almost surely, 2^628828156 is an apocalyptic number.

It is an amenable number.

628828156 is a deficient number, since it is larger than the sum of its proper divisors (572350004).

628828156 is a wasteful number, since it uses less digits than its factorization.

628828156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205 (or 8203 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 628828156 is about 25076.4462394495. The cubic root of 628828156 is about 856.7300360060.

The spelling of 628828156 in words is "six hundred twenty-eight million, eight hundred twenty-eight thousand, one hundred fifty-six".