4321438 has 8 divisors (see below), whose sum is σ = 7071480. Its totient is φ = 1964280.

The previous prime is 4321411. The next prime is 4321439. The reversal of 4321438 is 8341234.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321439) 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 in 3 ways as a sum of consecutive naturals, for example, 98193 + ... + 98236.

It is an arithmetic number, because the mean of its divisors is an integer number (883935).

Almost surely, 2^4321438 is an apocalyptic number.

4321438 is a deficient number, since it is larger than the sum of its proper divisors (2750042).

4321438 is a wasteful number, since it uses less digits than its factorization.

4321438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196442.

The product of its digits is 2304, while the sum is 25.

The square root of 4321438 is about 2078.8068693364. The cubic root of 4321438 is about 162.8831259749.

Subtracting from 4321438 its product of digits (2304), we obtain a palindrome (4319134).

The spelling of 4321438 in words is "four million, three hundred twenty-one thousand, four hundred thirty-eight".