2879709 has 16 divisors (see below), whose sum is σ = 4414080. Its totient is φ = 1635840.

The previous prime is 2879699. The next prime is 2879713. The reversal of 2879709 is 9079782.

It is not a de Polignac number, because 2879709 - 2⁴ = 2879693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2879719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4777 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (275880).

2^2879709 is an apocalyptic number.

It is an amenable number.

2879709 is a deficient number, since it is larger than the sum of its proper divisors (1534371).

2879709 is a wasteful number, since it uses less digits than its factorization.

2879709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 2879709 is about 1696.9705359846. The cubic root of 2879709 is about 142.2709400925.

The spelling of 2879709 in words is "two million, eight hundred seventy-nine thousand, seven hundred nine".