620343 has 6 divisors (see below), whose sum is σ = 896064. Its totient is φ = 413556.

The previous prime is 620329. The next prime is 620351. The reversal of 620343 is 343026.

620343 is a `hidden beast` number, since 620 + 3 + 43 = 666.

620343 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620343 - 2⁵ = 620311 is a prime.

620343 is strictly pandigital in base 7.

620343 is a lucky 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 620343.

It is not an unprimeable number, because it can be changed into a prime (620303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34455 + ... + 34472.

It is an arithmetic number, because the mean of its divisors is an integer number (149344).

2⁶²⁰³⁴³ is an apocalyptic number.

620343 is a deficient number, since it is larger than the sum of its proper divisors (275721).

620343 is a wasteful number, since it uses less digits than its factorization.

620343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68933 (or 68930 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 620343 is about 787.6185625034. The cubic root of 620343 is about 85.2859114905.

Adding to 620343 its reverse (343026), we get a palindrome (963369).

The spelling of 620343 in words is "six hundred twenty thousand, three hundred forty-three".