3895391 has 2 divisors, whose sum is σ = 3895392. Its totient is φ = 3895390.

The previous prime is 3895387. The next prime is 3895403. The reversal of 3895391 is 1935983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3895391 - 2² = 3895387 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3895351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947695 + 1947696.

It is an arithmetic number, because the mean of its divisors is an integer number (1947696).

Almost surely, 2^3895391 is an apocalyptic number.

3895391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3895391 is an equidigital number, since it uses as much as digits as its factorization.

3895391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 3895391 is about 1973.6744919059. The cubic root of 3895391 is about 157.3440599832.

The spelling of 3895391 in words is "three million, eight hundred ninety-five thousand, three hundred ninety-one".