628262826 has 16 divisors (see below), whose sum is σ = 1272432000. Its totient is φ = 206769888.

The previous prime is 628262813. The next prime is 628262879.

628262826 is nontrivially palindromic in base 10.

628262826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 662251 + ... + 663198.

It is an arithmetic number, because the mean of its divisors is an integer number (79527000).

Almost surely, 2^628262826 is an apocalyptic number.

628262826 is an abundant number, since it is smaller than the sum of its proper divisors (644169174).

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

628262826 is a wasteful number, since it uses less digits than its factorization.

628262826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325533.

The product of its digits is 221184, while the sum is 42.

The square root of 628262826 is about 25065.1715733206. The cubic root of 628262826 is about 856.4732194700.

The spelling of 628262826 in words is "six hundred twenty-eight million, two hundred sixty-two thousand, eight hundred twenty-six".