2043494 has 4 divisors (see below), whose sum is σ = 3065244. Its totient is φ = 1021746.

The previous prime is 2043491. The next prime is 2043497. The reversal of 2043494 is 4943402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4943402 = 2 ⋅2471701.

It is an interprime number because it is at equal distance from previous prime (2043491) and next prime (2043497).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043491) by changing a digit.

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 as a sum of consecutive naturals, namely, 510872 + ... + 510875.

It is an arithmetic number, because the mean of its divisors is an integer number (766311).

2^2043494 is an apocalyptic number.

2043494 is a deficient number, since it is larger than the sum of its proper divisors (1021750).

2043494 is a wasteful number, since it uses less digits than its factorization.

2043494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021749.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2043494 is about 1429.5083070762. The cubic root of 2043494 is about 126.8988799721.

Adding to 2043494 its reverse (4943402), we get a palindrome (6986896).

The spelling of 2043494 in words is "two million, forty-three thousand, four hundred ninety-four".