620860 has 24 divisors (see below), whose sum is σ = 1340640. Its totient is φ = 241344.

The previous prime is 620849. The next prime is 620869. The reversal of 620860 is 68026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321 + ... + 1159.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

2⁶²⁰⁸⁶⁰ 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 620860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670320).

620860 is an abundant number, since it is smaller than the sum of its proper divisors (719780).

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

620860 is a wasteful number, since it uses less digits than its factorization.

620860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 620860 is about 787.9466987049. The cubic root of 620860 is about 85.3095976194.

Adding to 620860 its reverse (68026), we get a palindrome (688886).

The spelling of 620860 in words is "six hundred twenty thousand, eight hundred sixty".