4354391 has 2 divisors, whose sum is σ = 4354392. Its totient is φ = 4354390.

The previous prime is 4354381. The next prime is 4354423. The reversal of 4354391 is 1934534.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4354391 - 2¹⁸ = 4092247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4354381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2177195 + 2177196.

It is an arithmetic number, because the mean of its divisors is an integer number (2177196).

Almost surely, 2^4354391 is an apocalyptic number.

4354391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4354391 is an equidigital number, since it uses as much as digits as its factorization.

4354391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 4354391 is about 2086.7177576280. The cubic root of 4354391 is about 163.2960982270.

It can be divided in two parts, 43543 and 91, that added together give a palindrome (43634).

The spelling of 4354391 in words is "four million, three hundred fifty-four thousand, three hundred ninety-one".