620285 has 8 divisors (see below), whose sum is σ = 750816. Its totient is φ = 491920.

The previous prime is 620261. The next prime is 620297. The reversal of 620285 is 582026.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620285 - 2⁸ = 620029 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 2⁴ + 2¹⁸ + 0 + 8² + 5⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620285.

It is a congruent number.

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, 182 + ... + 1128.

It is an arithmetic number, because the mean of its divisors is an integer number (93852).

2⁶²⁰²⁸⁵ is an apocalyptic number.

It is an amenable number.

620285 is a deficient number, since it is larger than the sum of its proper divisors (130531).

620285 is a wasteful number, since it uses less digits than its factorization.

620285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 620285 is about 787.5817417894. The cubic root of 620285 is about 85.2832534249.

The spelling of 620285 in words is "six hundred twenty thousand, two hundred eighty-five".