1930219 has 2 divisors, whose sum is σ = 1930220. Its totient is φ = 1930218.

The previous prime is 1930199. The next prime is 1930237. The reversal of 1930219 is 9120391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1930219 - 2¹³ = 1922027 is a prime.

It is a super-2 number, since 2×1930219² = 7451490775922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1930193 and 1930202.

It is not a weakly prime, because it can be changed into another prime (1930249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965109 + 965110.

It is an arithmetic number, because the mean of its divisors is an integer number (965110).

2^1930219 is an apocalyptic number.

1930219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930219 is an equidigital number, since it uses as much as digits as its factorization.

1930219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1930219 is about 1389.3232165339. The cubic root of 1930219 is about 124.5094158027.

It can be divided in two parts, 19302 and 19, that added together give a square (19321 = 139²).

The spelling of 1930219 in words is "one million, nine hundred thirty thousand, two hundred nineteen".