2319439 has 8 divisors (see below), whose sum is σ = 2391120. Its totient is φ = 2248896.

The previous prime is 2319437. The next prime is 2319461. The reversal of 2319439 is 9349132.

2319439 = T₁₂₄₂ + T₁₂₄₃ + T₁₂₄₄.

2319439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2319439 - 2¹ = 2319437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2319439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2319431) 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 7 ways as a sum of consecutive naturals, for example, 5467 + ... + 5875.

It is an arithmetic number, because the mean of its divisors is an integer number (298890).

2^2319439 is an apocalyptic number.

2319439 is the 1244-th centered triangular number.

2319439 is a deficient number, since it is larger than the sum of its proper divisors (71681).

2319439 is a wasteful number, since it uses less digits than its factorization.

2319439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its digits is 5832, while the sum is 31.

The square root of 2319439 is about 1522.9704527666. The cubic root of 2319439 is about 132.3714476451.

The spelling of 2319439 in words is "two million, three hundred nineteen thousand, four hundred thirty-nine".