1930349 has 2 divisors, whose sum is σ = 1930350. Its totient is φ = 1930348.

The previous prime is 1930309. The next prime is 1930351. The reversal of 1930349 is 9430391.

1930349 is nontrivially palindromic in base 5.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 174724 = 1325^2 + 418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1930349 is a prime.

Together with 1930351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1930309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965174 + 965175.

It is an arithmetic number, because the mean of its divisors is an integer number (965175).

2^1930349 is an apocalyptic number.

It is an amenable number.

1930349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930349 is an equidigital number, since it uses as much as digits as its factorization.

1930349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1930349 is about 1389.3700011156. The cubic root of 1930349 is about 124.5122109709.

The spelling of 1930349 in words is "one million, nine hundred thirty thousand, three hundred forty-nine".