3914819 has 2 divisors, whose sum is σ = 3914820. Its totient is φ = 3914818.

The previous prime is 3914783. The next prime is 3914821. The reversal of 3914819 is 9184193.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3914819 is a prime.

It is a super-2 number, since 2×3914819² = 30651615605522, which contains 22 as substring.

Together with 3914821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3964819) 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, 1957409 + 1957410.

It is an arithmetic number, because the mean of its divisors is an integer number (1957410).

Almost surely, 2^3914819 is an apocalyptic number.

3914819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3914819 is an equidigital number, since it uses as much as digits as its factorization.

3914819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 3914819 is about 1978.5901546303. The cubic root of 3914819 is about 157.6052072755.

The spelling of 3914819 in words is "three million, nine hundred fourteen thousand, eight hundred nineteen".