3940319 has 2 divisors, whose sum is σ = 3940320. Its totient is φ = 3940318.

The previous prime is 3940309. The next prime is 3940351. The reversal of 3940319 is 9130493.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3940319 - 2⁴ = 3940303 is a prime.

It is a super-2 number, since 2×3940319² = 31052227643522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3940291 and 3940300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3940309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970159 + 1970160.

It is an arithmetic number, because the mean of its divisors is an integer number (1970160).

Almost surely, 2^3940319 is an apocalyptic number.

3940319 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940319 is an equidigital number, since it uses as much as digits as its factorization.

3940319 is an evil number, because the sum of its binary digits is even.

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

The square root of 3940319 is about 1985.0236774406. The cubic root of 3940319 is about 157.9466652221.

The spelling of 3940319 in words is "three million, nine hundred forty thousand, three hundred nineteen".