2043544 has 8 divisors (see below), whose sum is σ = 3831660. Its totient is φ = 1021768.

The previous prime is 2043541. The next prime is 2043571. The reversal of 2043544 is 4453402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2¹³ + 0 + 4³ + 3⁵ + 5⁹ + 4⁷ + 4⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127714 + ... + 127729.

2^2043544 is an apocalyptic number.

It is an amenable number.

2043544 is a deficient number, since it is larger than the sum of its proper divisors (1788116).

2043544 is a wasteful number, since it uses less digits than its factorization.

2043544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255449 (or 255445 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2043544 is about 1429.5257955000. The cubic root of 2043544 is about 126.8999149466.

Adding to 2043544 its reverse (4453402), we get a palindrome (6496946).

The spelling of 2043544 in words is "two million, forty-three thousand, five hundred forty-four".