620066 has 8 divisors (see below), whose sum is σ = 933660. Its totient is φ = 308848.

The previous prime is 620051. The next prime is 620099. The reversal of 620066 is 660026.

It can be written as a sum of positive squares in 2 ways, for example, as 606841 + 13225 = 779^2 + 115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

620066 is a modest number, since divided by 66 gives 62 as remainder.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620066.

It is an unprimeable number.

620066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 1176.

2⁶²⁰⁰⁶⁶ is an apocalyptic number.

620066 is a deficient number, since it is larger than the sum of its proper divisors (313594).

620066 is a wasteful number, since it uses less digits than its factorization.

620066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 620066 is about 787.4426963278. The cubic root of 620066 is about 85.2732154419.

The spelling of 620066 in words is "six hundred twenty thousand, sixty-six".