3906319 has 2 divisors, whose sum is σ = 3906320. Its totient is φ = 3906318.

The previous prime is 3906307. The next prime is 3906323. The reversal of 3906319 is 9136093.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3906319 - 2²¹ = 1809167 is a prime.

It is a super-2 number, since 2×3906319² = 30518656259522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3906919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1953159 + 1953160.

It is an arithmetic number, because the mean of its divisors is an integer number (1953160).

Almost surely, 2^3906319 is an apocalyptic number.

3906319 is a deficient number, since it is larger than the sum of its proper divisors (1).

3906319 is an equidigital number, since it uses as much as digits as its factorization.

3906319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 3906319 is about 1976.4409933008. The cubic root of 3906319 is about 157.4910585333.

It can be divided in two parts, 3906 and 319, that added together give a square (4225 = 65²).

The spelling of 3906319 in words is "three million, nine hundred six thousand, three hundred nineteen".