2818234 has 4 divisors (see below), whose sum is σ = 4227354. Its totient is φ = 1409116.

The previous prime is 2818229. The next prime is 2818237. The reversal of 2818234 is 4328182.

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

It can be written as a sum of positive squares in only one way, i.e., 2712609 + 105625 = 1647^2 + 325^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2818237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704557 + ... + 704560.

2^2818234 is an apocalyptic number.

2818234 is a deficient number, since it is larger than the sum of its proper divisors (1409120).

2818234 is a wasteful number, since it uses less digits than its factorization.

2818234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409119.

The product of its digits is 3072, while the sum is 28.

The square root of 2818234 is about 1678.7596611785. The cubic root of 2818234 is about 141.2512663368.

It can be divided in two parts, 281 and 8234, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 2818234 in words is "two million, eight hundred eighteen thousand, two hundred thirty-four".