2739879 has 8 divisors (see below), whose sum is σ = 4059120. Its totient is φ = 1826568.

The previous prime is 2739871. The next prime is 2739881. The reversal of 2739879 is 9789372.

It is not a de Polignac number, because 2739879 - 2³ = 2739871 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 7² + 3 + 9 + 8⁷ + 7⁶ + 9³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50712 + ... + 50765.

It is an arithmetic number, because the mean of its divisors is an integer number (507390).

2^2739879 is an apocalyptic number.

2739879 is a deficient number, since it is larger than the sum of its proper divisors (1319241).

2739879 is a wasteful number, since it uses less digits than its factorization.

2739879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101486 (or 101480 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 2739879 is about 1655.2579859345. The cubic root of 2739879 is about 139.9298798516.

The spelling of 2739879 in words is "two million, seven hundred thirty-nine thousand, eight hundred seventy-nine".