628266696 has 32 divisors (see below), whose sum is σ = 1573571040. Its totient is φ = 209035008.

The previous prime is 628266641. The next prime is 628266707. The reversal of 628266696 is 696662826.

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, 10801 + ... + 37056.

It is an arithmetic number, because the mean of its divisors is an integer number (49174095).

Almost surely, 2^628266696 is an apocalyptic number.

It is an amenable number.

628266696 is an abundant number, since it is smaller than the sum of its proper divisors (945304344).

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

628266696 is a wasteful number, since it uses less digits than its factorization.

628266696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48413 (or 48409 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The square root of 628266696 is about 25065.2487719552. The cubic root of 628266696 is about 856.4749780464.

The spelling of 628266696 in words is "six hundred twenty-eight million, two hundred sixty-six thousand, six hundred ninety-six".