3864862 has 4 divisors (see below), whose sum is σ = 5797296. Its totient is φ = 1932430.

The previous prime is 3864841. The next prime is 3864871. The reversal of 3864862 is 2684683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2684683 = 37 ⋅72559.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966214 + ... + 966217.

It is an arithmetic number, because the mean of its divisors is an integer number (1449324).

Almost surely, 2^3864862 is an apocalyptic number.

3864862 is a deficient number, since it is larger than the sum of its proper divisors (1932434).

3864862 is a wasteful number, since it uses less digits than its factorization.

3864862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932433.

The product of its digits is 55296, while the sum is 37.

The square root of 3864862 is about 1965.9252274692. The cubic root of 3864862 is about 156.9319352815.

The spelling of 3864862 in words is "three million, eight hundred sixty-four thousand, eight hundred sixty-two".