3896239 has 2 divisors, whose sum is σ = 3896240. Its totient is φ = 3896238.

The previous prime is 3896231. The next prime is 3896257. The reversal of 3896239 is 9326983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3896239 - 2³ = 3896231 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 (3896231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1948119 + 1948120.

It is an arithmetic number, because the mean of its divisors is an integer number (1948120).

Almost surely, 2^3896239 is an apocalyptic number.

3896239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3896239 is an equidigital number, since it uses as much as digits as its factorization.

3896239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 3896239 is about 1973.8893079400. The cubic root of 3896239 is about 157.3554767303.

The spelling of 3896239 in words is "three million, eight hundred ninety-six thousand, two hundred thirty-nine".