628484 has 12 divisors (see below), whose sum is σ = 1123584. Its totient is φ = 307464.

The previous prime is 628477. The next prime is 628487. The reversal of 628484 is 484826.

It is a self number, because there is not a number n which added to its sum of digits gives 628484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628487) by changing a digit.

628484 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484 + ... + 1859.

It is an arithmetic number, because the mean of its divisors is an integer number (93632).

2⁶²⁸⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

628484 is a deficient number, since it is larger than the sum of its proper divisors (495100).

628484 is a wasteful number, since it uses less digits than its factorization.

628484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394 (or 3392 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 628484 is about 792.7698278820. The cubic root of 628484 is about 85.6573712117.

The spelling of 628484 in words is "six hundred twenty-eight thousand, four hundred eighty-four".