4394213 has 4 divisors (see below), whose sum is σ = 4496448. Its totient is φ = 4291980.

The previous prime is 4394209. The next prime is 4394227. The reversal of 4394213 is 3124934.

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 4394213 - 2² = 4394209 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394293) 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, 51053 + ... + 51138.

It is an arithmetic number, because the mean of its divisors is an integer number (1124112).

Almost surely, 2^4394213 is an apocalyptic number.

4394213 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4394213 is a deficient number, since it is larger than the sum of its proper divisors (102235).

4394213 is a wasteful number, since it uses less digits than its factorization.

4394213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102234.

The product of its digits is 2592, while the sum is 26.

The square root of 4394213 is about 2096.2378204774. The cubic root of 4394213 is about 163.7923830233.

The spelling of 4394213 in words is "four million, three hundred ninety-four thousand, two hundred thirteen".