3870218 has 8 divisors (see below), whose sum is σ = 6333120. Its totient is φ = 1759180.

The previous prime is 3870211. The next prime is 3870227. The reversal of 3870218 is 8120783.

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

It is a super-3 number, since 3×3870218³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3870211) 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, 87938 + ... + 87981.

It is an arithmetic number, because the mean of its divisors is an integer number (791640).

Almost surely, 2^3870218 is an apocalyptic number.

3870218 is a deficient number, since it is larger than the sum of its proper divisors (2462902).

3870218 is a wasteful number, since it uses less digits than its factorization.

3870218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175932.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 3870218 is about 1967.2869643242. The cubic root of 3870218 is about 157.0043949167.

The spelling of 3870218 in words is "three million, eight hundred seventy thousand, two hundred eighteen".