620868 has 24 divisors (see below), whose sum is σ = 1496320. Its totient is φ = 200160.

The previous prime is 620849. The next prime is 620869. The reversal of 620868 is 868026.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620868.

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

620868 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 7 ways as a sum of consecutive naturals, for example, 463 + ... + 1206.

2⁶²⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

620868 is an abundant number, since it is smaller than the sum of its proper divisors (875452).

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

620868 is a wasteful number, since it uses less digits than its factorization.

620868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 620868 is about 787.9517751741. The cubic root of 620868 is about 85.3099640325.

The spelling of 620868 in words is "six hundred twenty thousand, eight hundred sixty-eight".