2876409 has 6 divisors (see below), whose sum is σ = 4154826. Its totient is φ = 1917600.

The previous prime is 2876389. The next prime is 2876411. The reversal of 2876409 is 9046782.

2876409 is a `hidden beast` number, since 2 + 8 + 7 + 640 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 837225 = 1428^2 + 915^2 .

It is not a de Polignac number, because 2876409 - 2¹² = 2872313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2876479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159792 + ... + 159809.

It is an arithmetic number, because the mean of its divisors is an integer number (692471).

2^2876409 is an apocalyptic number.

It is an amenable number.

2876409 is a deficient number, since it is larger than the sum of its proper divisors (1278417).

2876409 is a wasteful number, since it uses less digits than its factorization.

2876409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319607 (or 319604 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2876409 is about 1695.9979363195. The cubic root of 2876409 is about 142.2165742341.

The spelling of 2876409 in words is "two million, eight hundred seventy-six thousand, four hundred nine".