438714839 has 4 divisors (see below), whose sum is σ = 438805224. Its totient is φ = 438624456.

The previous prime is 438714833. The next prime is 438714841. The reversal of 438714839 is 938417834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938417834 = 2 ⋅469208917.

It is a cyclic number.

It is not a de Polignac number, because 438714839 - 2¹² = 438710743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438714793 and 438714802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438714833) 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, 37472 + ... + 47765.

It is an arithmetic number, because the mean of its divisors is an integer number (109701306).

Almost surely, 2^438714839 is an apocalyptic number.

438714839 is a deficient number, since it is larger than the sum of its proper divisors (90385).

438714839 is an equidigital number, since it uses as much as digits as its factorization.

438714839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90384.

The product of its digits is 580608, while the sum is 47.

The square root of 438714839 is about 20945.5207383345. The cubic root of 438714839 is about 759.8492539196.

The spelling of 438714839 in words is "four hundred thirty-eight million, seven hundred fourteen thousand, eight hundred thirty-nine".