3952213 has 4 divisors (see below), whose sum is σ = 3990688. Its totient is φ = 3913740.

The previous prime is 3952199. The next prime is 3952217. The reversal of 3952213 is 3122593.

It is a happy number.

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 3952213 - 2⁵ = 3952181 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 (3952217) 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, 19083 + ... + 19288.

It is an arithmetic number, because the mean of its divisors is an integer number (997672).

Almost surely, 2^3952213 is an apocalyptic number.

It is an amenable number.

3952213 is a deficient number, since it is larger than the sum of its proper divisors (38475).

3952213 is a wasteful number, since it uses less digits than its factorization.

3952213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38474.

The product of its digits is 1620, while the sum is 25.

The square root of 3952213 is about 1988.0173540490. The cubic root of 3952213 is about 158.1054282202.

Subtracting from 3952213 its product of digits (1620), we obtain a palindrome (3950593).

The spelling of 3952213 in words is "three million, nine hundred fifty-two thousand, two hundred thirteen".