3864907 has 4 divisors (see below), whose sum is σ = 3893256. Its totient is φ = 3836560.

The previous prime is 3864901. The next prime is 3864929. The reversal of 3864907 is 7094683.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3864907 is a prime.

It is a super-2 number, since 2×3864907² = 29875012237298, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3864901) 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, 13969 + ... + 14242.

It is an arithmetic number, because the mean of its divisors is an integer number (973314).

Almost surely, 2^3864907 is an apocalyptic number.

3864907 is a deficient number, since it is larger than the sum of its proper divisors (28349).

3864907 is a wasteful number, since it uses less digits than its factorization.

3864907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28348.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3864907 is about 1965.9366724287. The cubic root of 3864907 is about 156.9325443511.

The spelling of 3864907 in words is "three million, eight hundred sixty-four thousand, nine hundred seven".