3872818 has 8 divisors (see below), whose sum is σ = 5851440. Its totient is φ = 1922340.

The previous prime is 3872807. The next prime is 3872833. The reversal of 3872818 is 8182783.

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

It is a super-2 number, since 2×3872818² = 29997438522248, which contains 22 as substring.

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, 6688 + ... + 7243.

It is an arithmetic number, because the mean of its divisors is an integer number (731430).

Almost surely, 2^3872818 is an apocalyptic number.

3872818 is a deficient number, since it is larger than the sum of its proper divisors (1978622).

3872818 is a wasteful number, since it uses less digits than its factorization.

3872818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14072.

The product of its digits is 21504, while the sum is 37.

The square root of 3872818 is about 1967.9476619057. The cubic root of 3872818 is about 157.0395453956.

The spelling of 3872818 in words is "three million, eight hundred seventy-two thousand, eight hundred eighteen".