2043838 has 4 divisors (see below), whose sum is σ = 3065760. Its totient is φ = 1021918.

The previous prime is 2043817. The next prime is 2043841. The reversal of 2043838 is 8383402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8383402 = 2 ⋅4191701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510958 + ... + 510961.

It is an arithmetic number, because the mean of its divisors is an integer number (766440).

2^2043838 is an apocalyptic number.

2043838 is a deficient number, since it is larger than the sum of its proper divisors (1021922).

2043838 is a wasteful number, since it uses less digits than its factorization.

2043838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021921.

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

The square root of 2043838 is about 1429.6286231046. The cubic root of 2043838 is about 126.9060002549.

The spelling of 2043838 in words is "two million, forty-three thousand, eight hundred thirty-eight".