3896987 has 2 divisors, whose sum is σ = 3896988. Its totient is φ = 3896986.

The previous prime is 3896969. The next prime is 3896993. The reversal of 3896987 is 7896983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3896987 - 2⁶ = 3896923 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3896947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1948493 + 1948494.

It is an arithmetic number, because the mean of its divisors is an integer number (1948494).

Almost surely, 2^3896987 is an apocalyptic number.

3896987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3896987 is an equidigital number, since it uses as much as digits as its factorization.

3896987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The square root of 3896987 is about 1974.0787724911. The cubic root of 3896987 is about 157.3655457879.

The spelling of 3896987 in words is "three million, eight hundred ninety-six thousand, nine hundred eighty-seven".