620386 has 16 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 282384.

The previous prime is 620383. The next prime is 620393. The reversal of 620386 is 683026.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 620386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620383) 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, 2671 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2⁶²⁰³⁸⁶ is an apocalyptic number.

620386 is a deficient number, since it is larger than the sum of its proper divisors (395678).

620386 is a wasteful number, since it uses less digits than its factorization.

620386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 620386 is about 787.6458595079. The cubic root of 620386 is about 85.2878820183.

The spelling of 620386 in words is "six hundred twenty thousand, three hundred eighty-six".