2840338 has 4 divisors (see below), whose sum is σ = 4260510. Its totient is φ = 1420168.

The previous prime is 2840303. The next prime is 2840353. The reversal of 2840338 is 8330482.

2840338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2024929 + 815409 = 1423^2 + 903^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710083 + ... + 710086.

2^2840338 is an apocalyptic number.

2840338 is a deficient number, since it is larger than the sum of its proper divisors (1420172).

2840338 is a wasteful number, since it uses less digits than its factorization.

2840338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420171.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2840338 is about 1685.3302347018. The cubic root of 2840338 is about 141.6195928180.

It can be divided in two parts, 28403 and 38, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 2840338 in words is "two million, eight hundred forty thousand, three hundred thirty-eight".