620216 has 8 divisors (see below), whose sum is σ = 1162920. Its totient is φ = 310104.

The previous prime is 620201. The next prime is 620227. The reversal of 620216 is 612026.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 620194 and 620203.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 38756 + ... + 38771.

It is an arithmetic number, because the mean of its divisors is an integer number (145365).

2⁶²⁰²¹⁶ is an apocalyptic number.

It is an amenable number.

620216 is a deficient number, since it is larger than the sum of its proper divisors (542704).

620216 is a wasteful number, since it uses less digits than its factorization.

620216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77533 (or 77529 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 620216 is about 787.5379355942. The cubic root of 620216 is about 85.2800910277.

The spelling of 620216 in words is "six hundred twenty thousand, two hundred sixteen".