3870818 has 8 divisors (see below), whose sum is σ = 6635712. Its totient is φ = 1658916.

The previous prime is 3870803. The next prime is 3870821. The reversal of 3870818 is 8180783.

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

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, 138230 + ... + 138257.

It is an arithmetic number, because the mean of its divisors is an integer number (829464).

Almost surely, 2^3870818 is an apocalyptic number.

3870818 is a deficient number, since it is larger than the sum of its proper divisors (2764894).

3870818 is a wasteful number, since it uses less digits than its factorization.

3870818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276496.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 3870818 is about 1967.4394526897. The cubic root of 3870818 is about 157.0125079626.

Subtracting from 3870818 its sum of digits (35), we obtain a palindrome (3870783).

The spelling of 3870818 in words is "three million, eight hundred seventy thousand, eight hundred eighteen".