3829391 has 2 divisors, whose sum is σ = 3829392. Its totient is φ = 3829390.

The previous prime is 3829381. The next prime is 3829429. The reversal of 3829391 is 1939283.

It is a weak prime.

It is an emirp because it is prime and its reverse (1939283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3829391 - 2¹⁸ = 3567247 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 (3829321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1914695 + 1914696.

It is an arithmetic number, because the mean of its divisors is an integer number (1914696).

Almost surely, 2^3829391 is an apocalyptic number.

3829391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3829391 is an equidigital number, since it uses as much as digits as its factorization.

3829391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 3829391 is about 1956.8829806608. The cubic root of 3829391 is about 156.4503614174.

The spelling of 3829391 in words is "three million, eight hundred twenty-nine thousand, three hundred ninety-one".