3896489 has 2 divisors, whose sum is σ = 3896490. Its totient is φ = 3896488.

The previous prime is 3896467. The next prime is 3896491. The reversal of 3896489 is 9846983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3736489 + 160000 = 1933^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 3896489 - 2¹² = 3892393 is a prime.

Together with 3896491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3896449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1948244 + 1948245.

It is an arithmetic number, because the mean of its divisors is an integer number (1948245).

Almost surely, 2^3896489 is an apocalyptic number.

It is an amenable number.

3896489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3896489 is an equidigital number, since it uses as much as digits as its factorization.

3896489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 3896489 is about 1973.9526336769. The cubic root of 3896489 is about 157.3588422004.

The spelling of 3896489 in words is "three million, eight hundred ninety-six thousand, four hundred eighty-nine".