620099 has 2 divisors, whose sum is σ = 620100. Its totient is φ = 620098.

The previous prime is 620051. The next prime is 620111. The reversal of 620099 is 990026.

620099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620099 - 2¹² = 616003 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

620099 is a modest number, since divided by 99 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 620099.

It is not a weakly prime, because it can be changed into another prime (620029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310049 + 310050.

It is an arithmetic number, because the mean of its divisors is an integer number (310050).

2⁶²⁰⁰⁹⁹ is an apocalyptic number.

620099 is a deficient number, since it is larger than the sum of its proper divisors (1).

620099 is an equidigital number, since it uses as much as digits as its factorization.

620099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 620099 is about 787.4636499547. The cubic root of 620099 is about 85.2747281659.

The spelling of 620099 in words is "six hundred twenty thousand, ninety-nine".