2043534 has 16 divisors (see below), whose sum is σ = 4101840. Its totient is φ = 678720.

The previous prime is 2043523. The next prime is 2043539. The reversal of 2043534 is 4353402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043539) 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 in 7 ways as a sum of consecutive naturals, for example, 2122 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (256365).

2^2043534 is an apocalyptic number.

2043534 is an abundant number, since it is smaller than the sum of its proper divisors (2058306).

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

2043534 is a wasteful number, since it uses less digits than its factorization.

2043534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2043534 is about 1429.5222978324. The cubic root of 2043534 is about 126.8997079530.

Adding to 2043534 its reverse (4353402), we get a palindrome (6396936).

The spelling of 2043534 in words is "two million, forty-three thousand, five hundred thirty-four".