628466132 has 24 divisors (see below), whose sum is σ = 1330870464. Its totient is φ = 253498752.

The previous prime is 628466119. The next prime is 628466141. The reversal of 628466132 is 231664826.

628466132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659678 + ... + 660629.

It is an arithmetic number, because the mean of its divisors is an integer number (55452936).

Almost surely, 2^628466132 is an apocalyptic number.

It is an amenable number.

628466132 is an abundant number, since it is smaller than the sum of its proper divisors (702404332).

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

628466132 is a wasteful number, since it uses less digits than its factorization.

628466132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320335 (or 1320333 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 628466132 is about 25069.2267930226. The cubic root of 628466132 is about 856.5655944857.

The spelling of 628466132 in words is "six hundred twenty-eight million, four hundred sixty-six thousand, one hundred thirty-two".