2873239 has 4 divisors (see below), whose sum is σ = 2943360. Its totient is φ = 2803120.

The previous prime is 2873231. The next prime is 2873249. The reversal of 2873239 is 9323782.

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

It is a cyclic number.

It is not a de Polignac number, because 2873239 - 2³ = 2873231 is a prime.

It is a super-2 number, since 2×2873239² = 16511004702242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873231) 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, 34999 + ... + 35080.

It is an arithmetic number, because the mean of its divisors is an integer number (735840).

2^2873239 is an apocalyptic number.

2873239 is a deficient number, since it is larger than the sum of its proper divisors (70121).

2873239 is an equidigital number, since it uses as much as digits as its factorization.

2873239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70120.

The product of its digits is 18144, while the sum is 34.

The square root of 2873239 is about 1695.0631256682. The cubic root of 2873239 is about 142.1643108905.

The spelling of 2873239 in words is "two million, eight hundred seventy-three thousand, two hundred thirty-nine".