3919369 has 2 divisors, whose sum is σ = 3919370. Its totient is φ = 3919368.

The previous prime is 3919327. The next prime is 3919381. The reversal of 3919369 is 9639193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 97344 = 1955^2 + 312^2 .

It is a cyclic number.

It is not a de Polignac number, because 3919369 - 2⁷ = 3919241 is a prime.

It is a super-2 number, since 2×3919369² = 30722906716322, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3919309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1959684 + 1959685.

It is an arithmetic number, because the mean of its divisors is an integer number (1959685).

Almost surely, 2^3919369 is an apocalyptic number.

It is an amenable number.

3919369 is a deficient number, since it is larger than the sum of its proper divisors (1).

3919369 is an equidigital number, since it uses as much as digits as its factorization.

3919369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 40.

The square root of 3919369 is about 1979.7396293452. The cubic root of 3919369 is about 157.6662425413. Note that the first 3 decimals are identical.

The spelling of 3919369 in words is "three million, nine hundred nineteen thousand, three hundred sixty-nine".