2787339 has 4 divisors (see below), whose sum is σ = 3716456. Its totient is φ = 1858224.

The previous prime is 2787331. The next prime is 2787349. The reversal of 2787339 is 9337872.

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

It is not a de Polignac number, because 2787339 - 2³ = 2787331 is a prime.

It is a super-3 number, since 3×2787339³ = 64966673334499317657, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2787297 and 2787306.

It is not an unprimeable number, because it can be changed into a prime (2787331) 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, 464554 + ... + 464559.

It is an arithmetic number, because the mean of its divisors is an integer number (929114).

2^2787339 is an apocalyptic number.

2787339 is a deficient number, since it is larger than the sum of its proper divisors (929117).

2787339 is an equidigital number, since it uses as much as digits as its factorization.

2787339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929116.

The product of its digits is 63504, while the sum is 39.

The square root of 2787339 is about 1669.5325693139. The cubic root of 2787339 is about 140.7332111298.

The spelling of 2787339 in words is "two million, seven hundred eighty-seven thousand, three hundred thirty-nine".