620085 has 16 divisors (see below), whose sum is σ = 1008576. Its totient is φ = 325248.

The previous prime is 620051. The next prime is 620099. The reversal of 620085 is 580026.

It is a happy number.

It is not a de Polignac number, because 620085 - 2⁹ = 619573 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 697 + ... + 1313.

It is an arithmetic number, because the mean of its divisors is an integer number (63036).

2⁶²⁰⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

620085 is a deficient number, since it is larger than the sum of its proper divisors (388491).

620085 is a wasteful number, since it uses less digits than its factorization.

620085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 620085 is about 787.4547606053. The cubic root of 620085 is about 85.2740864107.

The spelling of 620085 in words is "six hundred twenty thousand, eighty-five".