2725839 has 8 divisors (see below), whose sum is σ = 4038320. Its totient is φ = 1817208.

The previous prime is 2725837. The next prime is 2725841. The reversal of 2725839 is 9385272.

It is a happy number.

2725839 is a `hidden beast` number, since 2 + 72 + 583 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (2725837) and next prime (2725841).

It is not a de Polignac number, because 2725839 - 2¹ = 2725837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725837) 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, 50452 + ... + 50505.

It is an arithmetic number, because the mean of its divisors is an integer number (504790).

2^2725839 is an apocalyptic number.

2725839 is a deficient number, since it is larger than the sum of its proper divisors (1312481).

2725839 is a wasteful number, since it uses less digits than its factorization.

2725839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100966 (or 100960 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2725839 is about 1651.0115081368. The cubic root of 2725839 is about 139.6904555476.

The spelling of 2725839 in words is "two million, seven hundred twenty-five thousand, eight hundred thirty-nine".