2879145 has 20 divisors (see below), whose sum is σ = 5161860. Its totient is φ = 1535328.

The previous prime is 2879131. The next prime is 2879147. The reversal of 2879145 is 5419782.

It can be written as a sum of positive squares in 2 ways, for example, as 700569 + 2178576 = 837^2 + 1476^2 .

It is not a de Polignac number, because 2879145 - 2¹² = 2875049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2879147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3150 + ... + 3959.

It is an arithmetic number, because the mean of its divisors is an integer number (258093).

2^2879145 is an apocalyptic number.

It is an amenable number.

2879145 is a deficient number, since it is larger than the sum of its proper divisors (2282715).

2879145 is an equidigital number, since it uses as much as digits as its factorization.

2879145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126 (or 7117 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2879145 is about 1696.8043493579. The cubic root of 2879145 is about 142.2616514168.

The spelling of 2879145 in words is "two million, eight hundred seventy-nine thousand, one hundred forty-five".