2043438 has 8 divisors (see below), whose sum is σ = 4086888. Its totient is φ = 681144.

The previous prime is 2043421. The next prime is 2043449. The reversal of 2043438 is 8343402.

It is a sphenic number, since it is the product of 3 distinct primes.

2043438 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170281 + ... + 170292.

It is an arithmetic number, because the mean of its divisors is an integer number (510861).

2^2043438 is an apocalyptic number.

2043438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2043438 is a wasteful number, since it uses less digits than its factorization.

2043438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340578.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2043438 is about 1429.4887197876. The cubic root of 2043438 is about 126.8977207807.

The spelling of 2043438 in words is "two million, forty-three thousand, four hundred thirty-eight".