3866007 has 16 divisors (see below), whose sum is σ = 5304320. Its totient is φ = 2503872.

The previous prime is 3865993. The next prime is 3866011. The reversal of 3866007 is 7006683.

It is not a de Polignac number, because 3866007 - 2⁴ = 3865991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27744 + ... + 27882.

It is an arithmetic number, because the mean of its divisors is an integer number (331520).

Almost surely, 2^3866007 is an apocalyptic number.

3866007 is a deficient number, since it is larger than the sum of its proper divisors (1438313).

3866007 is a wasteful number, since it uses less digits than its factorization.

3866007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 3866007 is about 1966.2164173864. The cubic root of 3866007 is about 156.9474312487.

The spelling of 3866007 in words is "three million, eight hundred sixty-six thousand, seven".