628343300 has 72 divisors (see below), whose sum is σ = 1545734400. Its totient is φ = 219784320.

The previous prime is 628343299. The next prime is 628343389. The reversal of 628343300 is 3343826.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11981 + ... + 37419.

Almost surely, 2^628343300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628343300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772867200).

628343300 is an abundant number, since it is smaller than the sum of its proper divisors (917391100).

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

628343300 is a wasteful number, since it uses less digits than its factorization.

628343300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25485 (or 25478 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 628343300 is about 25066.7768171339. The cubic root of 628343300 is about 856.5097863761.

The spelling of 628343300 in words is "six hundred twenty-eight million, three hundred forty-three thousand, three hundred".