3890213 has 4 divisors (see below), whose sum is σ = 3916128. Its totient is φ = 3864300.

The previous prime is 3890191. The next prime is 3890219. The reversal of 3890213 is 3120983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3890213 - 2⁶ = 3890149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890219) 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, 12731 + ... + 13032.

It is an arithmetic number, because the mean of its divisors is an integer number (979032).

Almost surely, 2^3890213 is an apocalyptic number.

It is an amenable number.

3890213 is a deficient number, since it is larger than the sum of its proper divisors (25915).

3890213 is a wasteful number, since it uses less digits than its factorization.

3890213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25914.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3890213 is about 1972.3622892359. The cubic root of 3890213 is about 157.2743118453.

The spelling of 3890213 in words is "three million, eight hundred ninety thousand, two hundred thirteen".