3870213 has 8 divisors (see below), whose sum is σ = 5179776. Its totient is φ = 2570400.

The previous prime is 3870211. The next prime is 3870227. The reversal of 3870213 is 3120783.

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

It is not a de Polignac number, because 3870213 - 2¹ = 3870211 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1453 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (647472).

Almost surely, 2^3870213 is an apocalyptic number.

It is an amenable number.

3870213 is a deficient number, since it is larger than the sum of its proper divisors (1309563).

3870213 is a wasteful number, since it uses less digits than its factorization.

3870213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 3870213 is about 1967.2856935382. The cubic root of 3870213 is about 157.0043273044.

Adding to 3870213 its reverse (3120783), we get a palindrome (6990996).

The spelling of 3870213 in words is "three million, eight hundred seventy thousand, two hundred thirteen".