620000 has 60 divisors (see below), whose sum is σ = 1574496. Its totient is φ = 240000.

The previous prime is 619999. The next prime is 620003. The reversal of 620000 is 26.

620000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 620000.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620000.

It is not an unprimeable number, because it can be changed into a prime (620003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19985 + ... + 20015.

2⁶²⁰⁰⁰⁰ 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 620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787248).

620000 is an abundant number, since it is smaller than the sum of its proper divisors (954496).

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

620000 is an equidigital number, since it uses as much as digits as its factorization.

620000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 620000 is about 787.4007874012. The cubic root of 620000 is about 85.2701898328.

Adding to 620000 its reverse (26), we get a palindrome (620026).

The spelling of 620000 in words is "six hundred twenty thousand".