2746839 has 4 divisors (see below), whose sum is σ = 3662456. Its totient is φ = 1831224.

The previous prime is 2746829. The next prime is 2746847. The reversal of 2746839 is 9386472.

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

It is not a de Polignac number, because 2746839 - 2⁹ = 2746327 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 7² + 4⁸ + 6² + 8⁷ + 3¹⁰ + 9³ .

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 = 2746797 and 2746806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2746819) 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, 457804 + ... + 457809.

It is an arithmetic number, because the mean of its divisors is an integer number (915614).

2^2746839 is an apocalyptic number.

2746839 is a deficient number, since it is larger than the sum of its proper divisors (915617).

2746839 is an equidigital number, since it uses as much as digits as its factorization.

2746839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915616.

The product of its digits is 72576, while the sum is 39.

The square root of 2746839 is about 1657.3590437802. The cubic root of 2746839 is about 140.0482656712.

The spelling of 2746839 in words is "two million, seven hundred forty-six thousand, eight hundred thirty-nine".