628464262 has 8 divisors (see below), whose sum is σ = 998149176. Its totient is φ = 295747872.

The previous prime is 628464251. The next prime is 628464329. The reversal of 628464262 is 262464826.

628464262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×628464262² = 789934657222409288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9242088 + ... + 9242155.

It is an arithmetic number, because the mean of its divisors is an integer number (124768647).

Almost surely, 2^628464262 is an apocalyptic number.

628464262 is a deficient number, since it is larger than the sum of its proper divisors (369684914).

628464262 is a wasteful number, since it uses less digits than its factorization.

628464262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484262.

The product of its digits is 221184, while the sum is 40.

The square root of 628464262 is about 25069.1894962721. The cubic root of 628464262 is about 856.5647449150.

The spelling of 628464262 in words is "six hundred twenty-eight million, four hundred sixty-four thousand, two hundred sixty-two".