2873409 has 24 divisors (see below), whose sum is σ = 4864608. Its totient is φ = 1491840.

The previous prime is 2873401. The next prime is 2873417. The reversal of 2873409 is 9043782.

It is an interprime number because it is at equal distance from previous prime (2873401) and next prime (2873417).

It is not a de Polignac number, because 2873409 - 2³ = 2873401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 2873409.

It is not an unprimeable number, because it can be changed into a prime (2873401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729 + ... + 2505.

It is an arithmetic number, because the mean of its divisors is an integer number (202692).

2^2873409 is an apocalyptic number.

It is an amenable number.

2873409 is a deficient number, since it is larger than the sum of its proper divisors (1991199).

2873409 is a wasteful number, since it uses less digits than its factorization.

2873409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2873409 is about 1695.1132705516. The cubic root of 2873409 is about 142.1671146317.

It can be divided in two parts, 28 and 73409, that added together give a palindrome (73437).

The spelling of 2873409 in words is "two million, eight hundred seventy-three thousand, four hundred nine".