3968007 has 4 divisors (see below), whose sum is σ = 5290680. Its totient is φ = 2645336.

The previous prime is 3967993. The next prime is 3968009. The reversal of 3968007 is 7008693.

It is a happy number.

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 3968007 - 2¹⁶ = 3902471 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968009) 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, 661332 + ... + 661337.

It is an arithmetic number, because the mean of its divisors is an integer number (1322670).

Almost surely, 2^3968007 is an apocalyptic number.

3968007 is a deficient number, since it is larger than the sum of its proper divisors (1322673).

3968007 is a wasteful number, since it uses less digits than its factorization.

3968007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322672.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 3968007 is about 1991.9856927197. The cubic root of 3968007 is about 158.3157574827.

The spelling of 3968007 in words is "three million, nine hundred sixty-eight thousand, seven".