2816439 has 8 divisors (see below), whose sum is σ = 3800832. Its totient is φ = 1854840.

The previous prime is 2816399. The next prime is 2816453. The reversal of 2816439 is 9346182.

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

It is not a de Polignac number, because 2816439 - 2⁷ = 2816311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2816459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5407 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (475104).

2^2816439 is an apocalyptic number.

2816439 is a deficient number, since it is larger than the sum of its proper divisors (984393).

2816439 is a wasteful number, since it uses less digits than its factorization.

2816439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11397.

The product of its digits is 10368, while the sum is 33.

The square root of 2816439 is about 1678.2249551237. The cubic root of 2816439 is about 141.2212712084.

It can be divided in two parts, 28164 and 39, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 2816439 in words is "two million, eight hundred sixteen thousand, four hundred thirty-nine".