620286 has 16 divisors (see below), whose sum is σ = 1259904. Its totient is φ = 203544.

The previous prime is 620261. The next prime is 620297. The reversal of 620286 is 682026.

It is an Ulam number.

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 620286.

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, 370 + ... + 1173.

It is an arithmetic number, because the mean of its divisors is an integer number (78744).

2⁶²⁰²⁸⁶ is an apocalyptic number.

620286 is an abundant number, since it is smaller than the sum of its proper divisors (639618).

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

620286 is a wasteful number, since it uses less digits than its factorization.

620286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 620286 is about 787.5823766439. The cubic root of 620286 is about 85.2832992551.

The spelling of 620286 in words is "six hundred twenty thousand, two hundred eighty-six".