620339 has 4 divisors (see below), whose sum is σ = 641760. Its totient is φ = 598920.

The previous prime is 620329. The next prime is 620351. The reversal of 620339 is 933026.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620339 - 2¹² = 616243 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (620329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10667 + ... + 10724.

It is an arithmetic number, because the mean of its divisors is an integer number (160440).

2⁶²⁰³³⁹ is an apocalyptic number.

620339 is a deficient number, since it is larger than the sum of its proper divisors (21421).

620339 is a wasteful number, since it uses less digits than its factorization.

620339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21420.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 620339 is about 787.6160231991. The cubic root of 620339 is about 85.2857281809.

It can be divided in two parts, 620 and 339, that added together give a palindrome (959).

The spelling of 620339 in words is "six hundred twenty thousand, three hundred thirty-nine".