2874239 has 4 divisors (see below), whose sum is σ = 2883624. Its totient is φ = 2864856.

The previous prime is 2874217. The next prime is 2874251. The reversal of 2874239 is 9324782.

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 2874239 - 2¹⁶ = 2808703 is a prime.

It is a super-2 number, since 2×2874239² = 16522499658242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2874199 and 2874208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4217 + ... + 4850.

It is an arithmetic number, because the mean of its divisors is an integer number (720906).

2^2874239 is an apocalyptic number.

2874239 is a deficient number, since it is larger than the sum of its proper divisors (9385).

2874239 is an equidigital number, since it uses as much as digits as its factorization.

2874239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384.

The product of its digits is 24192, while the sum is 35.

The square root of 2874239 is about 1695.3580742722. The cubic root of 2874239 is about 142.1808018984.

It can be divided in two parts, 2874 and 239, that added together give a palindrome (3113).

The spelling of 2874239 in words is "two million, eight hundred seventy-four thousand, two hundred thirty-nine".