3852391 has 2 divisors, whose sum is σ = 3852392. Its totient is φ = 3852390.

The previous prime is 3852379. The next prime is 3852419. The reversal of 3852391 is 1932583.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3852391 - 2⁷ = 3852263 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 (3852301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1926195 + 1926196.

It is an arithmetic number, because the mean of its divisors is an integer number (1926196).

Almost surely, 2^3852391 is an apocalyptic number.

3852391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3852391 is an equidigital number, since it uses as much as digits as its factorization.

3852391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 3852391 is about 1962.7508756844. The cubic root of 3852391 is about 156.7629592630.

The spelling of 3852391 in words is "three million, eight hundred fifty-two thousand, three hundred ninety-one".