3864937 has 4 divisors (see below), whose sum is σ = 3869056. Its totient is φ = 3860820.

The previous prime is 3864929. The next prime is 3864941. The reversal of 3864937 is 7394683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7394683 = 367 ⋅20149.

It is a cyclic number.

It is not a de Polignac number, because 3864937 - 2³ = 3864929 is a prime.

It is an Ulam number.

It is a Duffinian number.

3864937 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3864937.

It is not an unprimeable number, because it can be changed into a prime (3864977) 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, 112 + ... + 2782.

It is an arithmetic number, because the mean of its divisors is an integer number (967264).

Almost surely, 2^3864937 is an apocalyptic number.

It is an amenable number.

3864937 is a deficient number, since it is larger than the sum of its proper divisors (4119).

3864937 is a wasteful number, since it uses less digits than its factorization.

3864937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118.

The product of its digits is 108864, while the sum is 40.

The square root of 3864937 is about 1965.9443023646. The cubic root of 3864937 is about 156.9329503949.

The spelling of 3864937 in words is "three million, eight hundred sixty-four thousand, nine hundred thirty-seven".