628283484 has 72 divisors (see below), whose sum is σ = 1689302160. Its totient is φ = 196204032.

The previous prime is 628283471. The next prime is 628283519. The reversal of 628283484 is 484382826.

628283484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 137907 + ... + 142389.

It is an arithmetic number, because the mean of its divisors is an integer number (23462530).

Almost surely, 2^628283484 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 628283484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844651080).

628283484 is an abundant number, since it is smaller than the sum of its proper divisors (1061018676).

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

628283484 is a wasteful number, since it uses less digits than its factorization.

628283484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739 (or 4734 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 628283484 is about 25065.5836556821. The cubic root of 628283484 is about 856.4826066400.

The spelling of 628283484 in words is "six hundred twenty-eight million, two hundred eighty-three thousand, four hundred eighty-four".