619628 has 24 divisors (see below), whose sum is σ = 1182720. Its totient is φ = 282960.

The previous prime is 619621. The next prime is 619657. The reversal of 619628 is 826916.

619628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 619594 and 619603.

It is not an unprimeable number, because it can be changed into a prime (619621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225 + ... + 2487.

It is an arithmetic number, because the mean of its divisors is an integer number (49280).

2⁶¹⁹⁶²⁸ is an apocalyptic number.

It is an amenable number.

619628 is a deficient number, since it is larger than the sum of its proper divisors (563092).

619628 is a wasteful number, since it uses less digits than its factorization.

619628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 619628 is about 787.1645317213. The cubic root of 619628 is about 85.2531323829.

The spelling of 619628 in words is "six hundred nineteen thousand, six hundred twenty-eight".