3960667 has 2 divisors, whose sum is σ = 3960668. Its totient is φ = 3960666.

The previous prime is 3960631. The next prime is 3960673. The reversal of 3960667 is 7660693.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3960667 is a prime.

3960667 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3960367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980333 + 1980334.

It is an arithmetic number, because the mean of its divisors is an integer number (1980334).

Almost surely, 2^3960667 is an apocalyptic number.

3960667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3960667 is an equidigital number, since it uses as much as digits as its factorization.

3960667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 3960667 is about 1990.1424572125. The cubic root of 3960667 is about 158.2180799914.

It can be divided in two parts, 39 and 60667, that added together give a palindrome (60706).

The spelling of 3960667 in words is "three million, nine hundred sixty thousand, six hundred sixty-seven".