628620 has 24 divisors (see below), whose sum is σ = 1760304. Its totient is φ = 167616.

The previous prime is 628591. The next prime is 628651. The reversal of 628620 is 26826.

628620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5179 + ... + 5298.

It is an arithmetic number, because the mean of its divisors is an integer number (73346).

2⁶²⁸⁶²⁰ is an apocalyptic number.

628620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

628620 is an abundant number, since it is smaller than the sum of its proper divisors (1131684).

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

628620 is a wasteful number, since it uses less digits than its factorization.

628620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489 (or 10487 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 628620 is about 792.8555984541. The cubic root of 628620 is about 85.6635493389.

The spelling of 628620 in words is "six hundred twenty-eight thousand, six hundred twenty".