628484826 has 16 divisors (see below), whose sum is σ = 1258834464. Its totient is φ = 209184144.

The previous prime is 628484819. The next prime is 628484863.

628484826 is nontrivially palindromic in base 10.

It is a Curzon 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, 73300 + ... + 81423.

It is an arithmetic number, because the mean of its divisors is an integer number (78677154).

Almost surely, 2^628484826 is an apocalyptic number.

628484826 is an abundant number, since it is smaller than the sum of its proper divisors (630349638).

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

628484826 is a wasteful number, since it uses less digits than its factorization.

628484826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155405.

The product of its digits is 1179648, while the sum is 48.

The square root of 628484826 is about 25069.5996378083. The cubic root of 628484826 is about 856.5740873743.

The spelling of 628484826 in words is "six hundred twenty-eight million, four hundred eighty-four thousand, eight hundred twenty-six".