2879081 has 4 divisors (see below), whose sum is σ = 2956932. Its totient is φ = 2801232.

The previous prime is 2879053. The next prime is 2879083. The reversal of 2879081 is 1809782.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2706025 + 173056 = 1645^2 + 416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2879081 is a prime.

It is a super-2 number, since 2×2879081² = 16578214809122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2879083) 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, 38870 + ... + 38943.

It is an arithmetic number, because the mean of its divisors is an integer number (739233).

2^2879081 is an apocalyptic number.

It is an amenable number.

2879081 is a deficient number, since it is larger than the sum of its proper divisors (77851).

2879081 is an equidigital number, since it uses as much as digits as its factorization.

2879081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77850.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 2879081 is about 1696.7854902727. The cubic root of 2879081 is about 142.2605973060.

The spelling of 2879081 in words is "two million, eight hundred seventy-nine thousand, eighty-one".