3967699 has 2 divisors, whose sum is σ = 3967700. Its totient is φ = 3967698.

The previous prime is 3967687. The next prime is 3967727. The reversal of 3967699 is 9967693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3967699 - 2⁷ = 3967571 is a prime.

3967699 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3967609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983849 + 1983850.

It is an arithmetic number, because the mean of its divisors is an integer number (1983850).

Almost surely, 2^3967699 is an apocalyptic number.

3967699 is a deficient number, since it is larger than the sum of its proper divisors (1).

3967699 is an equidigital number, since it uses as much as digits as its factorization.

3967699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 49.

The square root of 3967699 is about 1991.9083814272. The cubic root of 3967699 is about 158.3116611765.

The spelling of 3967699 in words is "three million, nine hundred sixty-seven thousand, six hundred ninety-nine".