628588982 has 32 divisors (see below), whose sum is σ = 1088769600. Its totient is φ = 266613120.

The previous prime is 628588981. The next prime is 628589021. The reversal of 628588982 is 289885826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628588981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128248 + ... + 1128804.

It is an arithmetic number, because the mean of its divisors is an integer number (34024050).

Almost surely, 2^628588982 is an apocalyptic number.

628588982 is a deficient number, since it is larger than the sum of its proper divisors (460180618).

628588982 is a wasteful number, since it uses less digits than its factorization.

628588982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its digits is 4423680, while the sum is 56.

The square root of 628588982 is about 25071.6768884732. The cubic root of 628588982 is about 856.6214035008.

The spelling of 628588982 in words is "six hundred twenty-eight million, five hundred eighty-eight thousand, nine hundred eighty-two".