2647339 has 4 divisors (see below), whose sum is σ = 2690800. Its totient is φ = 2603880.

The previous prime is 2647331. The next prime is 2647343. The reversal of 2647339 is 9337462.

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

It is a cyclic number.

It is not a de Polignac number, because 2647339 - 2³ = 2647331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2647331) 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, 21639 + ... + 21760.

It is an arithmetic number, because the mean of its divisors is an integer number (672700).

2^2647339 is an apocalyptic number.

2647339 is a deficient number, since it is larger than the sum of its proper divisors (43461).

2647339 is an equidigital number, since it uses as much as digits as its factorization.

2647339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43460.

The product of its digits is 27216, while the sum is 34.

The square root of 2647339 is about 1627.0645346759. The cubic root of 2647339 is about 138.3364157956.

It can be divided in two parts, 264 and 7339, that multiplied together give a triangular number (1937496 = T₁₉₆₈).

The spelling of 2647339 in words is "two million, six hundred forty-seven thousand, three hundred thirty-nine".