3864807 has 8 divisors (see below), whose sum is σ = 5725680. Its totient is φ = 2576520.

The previous prime is 3864803. The next prime is 3864811. The reversal of 3864807 is 7084683.

3864807 is a `hidden beast` number, since 3 + 8 + 648 + 0 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (3864803) and next prime (3864811).

It is not a de Polignac number, because 3864807 - 2² = 3864803 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3864803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71544 + ... + 71597.

It is an arithmetic number, because the mean of its divisors is an integer number (715710).

Almost surely, 2^3864807 is an apocalyptic number.

3864807 is a deficient number, since it is larger than the sum of its proper divisors (1860873).

3864807 is a wasteful number, since it uses less digits than its factorization.

3864807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143150 (or 143144 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3864807 is about 1965.9112390950. The cubic root of 3864807 is about 156.9311908567.

The spelling of 3864807 in words is "three million, eight hundred sixty-four thousand, eight hundred seven".