619841 has 2 divisors, whose sum is σ = 619842. Its totient is φ = 619840.

The previous prime is 619831. The next prime is 619849. The reversal of 619841 is 148916.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364816 + 255025 = 604^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 619841 - 2¹⁴ = 603457 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (619849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309920 + 309921.

It is an arithmetic number, because the mean of its divisors is an integer number (309921).

2⁶¹⁹⁸⁴¹ is an apocalyptic number.

It is an amenable number.

619841 is a deficient number, since it is larger than the sum of its proper divisors (1).

619841 is an equidigital number, since it uses as much as digits as its factorization.

619841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 619841 is about 787.2998158262. The cubic root of 619841 is about 85.2628999837.

The spelling of 619841 in words is "six hundred nineteen thousand, eight hundred forty-one".