3966907 has 4 divisors (see below), whose sum is σ = 4533616. Its totient is φ = 3400200.

The previous prime is 3966889. The next prime is 3966913. The reversal of 3966907 is 7096693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3966907 - 2⁷ = 3966779 is a prime.

It is a super-2 number, since 2×3966907² = 31472702293298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3966907.

It is not an unprimeable number, because it can be changed into a prime (3966007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283344 + ... + 283357.

It is an arithmetic number, because the mean of its divisors is an integer number (1133404).

Almost surely, 2^3966907 is an apocalyptic number.

3966907 is a deficient number, since it is larger than the sum of its proper divisors (566709).

3966907 is an equidigital number, since it uses as much as digits as its factorization.

3966907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566708.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 3966907 is about 1991.7095671809. The cubic root of 3966907 is about 158.3011268442.

The spelling of 3966907 in words is "three million, nine hundred sixty-six thousand, nine hundred seven".