4213391 has 8 divisors (see below), whose sum is σ = 5185824. Its totient is φ = 3333600.

The previous prime is 4213379. The next prime is 4213397. The reversal of 4213391 is 1933124.

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

It is a cyclic number.

It is not a de Polignac number, because 4213391 - 2¹⁰ = 4212367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213397) 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, 23060 + ... + 23241.

It is an arithmetic number, because the mean of its divisors is an integer number (648228).

Almost surely, 2^4213391 is an apocalyptic number.

4213391 is a deficient number, since it is larger than the sum of its proper divisors (972433).

4213391 is a wasteful number, since it uses less digits than its factorization.

4213391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46321.

The product of its digits is 648, while the sum is 23.

The square root of 4213391 is about 2052.6546226777. The cubic root of 4213391 is about 161.5141542994.

It can be divided in two parts, 42133 and 91, that added together give a palindrome (42224).

The spelling of 4213391 in words is "four million, two hundred thirteen thousand, three hundred ninety-one".