3864518 has 8 divisors (see below), whose sum is σ = 6624912. Its totient is φ = 1656216.

The previous prime is 3864499. The next prime is 3864521. The reversal of 3864518 is 8154683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138005 + ... + 138032.

It is an arithmetic number, because the mean of its divisors is an integer number (828114).

Almost surely, 2^3864518 is an apocalyptic number.

3864518 is a deficient number, since it is larger than the sum of its proper divisors (2760394).

3864518 is a wasteful number, since it uses less digits than its factorization.

3864518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276046.

The product of its digits is 23040, while the sum is 35.

The square root of 3864518 is about 1965.8377349110. The cubic root of 3864518 is about 156.9272791267.

It can be divided in two parts, 38645 and 18, that multiplied together give a triangular number (695610 = T₁₁₇₉).

The spelling of 3864518 in words is "three million, eight hundred sixty-four thousand, five hundred eighteen".