3989267 has 2 divisors, whose sum is σ = 3989268. Its totient is φ = 3989266.

The previous prime is 3989261. The next prime is 3989287. The reversal of 3989267 is 7629893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3989267 - 2¹⁸ = 3727123 is a prime.

It is not a weakly prime, because it can be changed into another prime (3989261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994633 + 1994634.

It is an arithmetic number, because the mean of its divisors is an integer number (1994634).

Almost surely, 2^3989267 is an apocalyptic number.

3989267 is a deficient number, since it is larger than the sum of its proper divisors (1).

3989267 is an equidigital number, since it uses as much as digits as its factorization.

3989267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 3989267 is about 1997.3149476234. The cubic root of 3989267 is about 158.5979982223.

The spelling of 3989267 in words is "three million, nine hundred eighty-nine thousand, two hundred sixty-seven".