4378339 has 4 divisors (see below), whose sum is σ = 5003824. Its totient is φ = 3752856.

The previous prime is 4378327. The next prime is 4378351. The reversal of 4378339 is 9338734.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4378327) and next prime (4378351).

It is a cyclic number.

It is not a de Polignac number, because 4378339 - 2⁵ = 4378307 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 3³ + 7² + 8 + 3⁵ + 3¹¹ + 9⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 4378298 and 4378307.

It is not an unprimeable number, because it can be changed into a prime (4378399) 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, 312732 + ... + 312745.

It is an arithmetic number, because the mean of its divisors is an integer number (1250956).

Almost surely, 2^4378339 is an apocalyptic number.

4378339 is a deficient number, since it is larger than the sum of its proper divisors (625485).

4378339 is an equidigital number, since it uses as much as digits as its factorization.

4378339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625484.

The product of its digits is 54432, while the sum is 37.

The square root of 4378339 is about 2092.4480877671. The cubic root of 4378339 is about 163.5949128923.

The spelling of 4378339 in words is "four million, three hundred seventy-eight thousand, three hundred thirty-nine".