4543434 has 48 divisors (see below), whose sum is σ = 11389248. Its totient is φ = 1282176.

The previous prime is 4543421. The next prime is 4543477. The reversal of 4543434 is 4343454.

4543434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4543398 and 4543407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13314 + ... + 13650.

It is an arithmetic number, because the mean of its divisors is an integer number (237276).

Almost surely, 2^4543434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4543434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5694624).

4543434 is an abundant number, since it is smaller than the sum of its proper divisors (6845814).

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

4543434 is a wasteful number, since it uses less digits than its factorization.

4543434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 456 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 4543434 is about 2131.5332509722. The cubic root of 4543434 is about 165.6258326290.

Adding to 4543434 its reverse (4343454), we get a palindrome (8886888).

The spelling of 4543434 in words is "four million, five hundred forty-three thousand, four hundred thirty-four".