3967907 has 4 divisors (see below), whose sum is σ = 4095936. Its totient is φ = 3839880.

The previous prime is 3967877. The next prime is 3967913. The reversal of 3967907 is 7097693.

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 3967907 - 2⁸ = 3967651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3967207) 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, 63968 + ... + 64029.

It is an arithmetic number, because the mean of its divisors is an integer number (1023984).

Almost surely, 2^3967907 is an apocalyptic number.

3967907 is a deficient number, since it is larger than the sum of its proper divisors (128029).

3967907 is a wasteful number, since it uses less digits than its factorization.

3967907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128028.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 3967907 is about 1991.9605919797. The cubic root of 3967907 is about 158.3144275364.

The spelling of 3967907 in words is "three million, nine hundred sixty-seven thousand, nine hundred seven".