4520434 has 4 divisors (see below), whose sum is σ = 6780654. Its totient is φ = 2260216.

The previous prime is 4520431. The next prime is 4520449. The reversal of 4520434 is 4340254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4340254 = 2 ⋅2170127.

It can be written as a sum of positive squares in only one way, i.e., 2706025 + 1814409 = 1645^2 + 1347^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4520431) 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, 1130107 + ... + 1130110.

Almost surely, 2^4520434 is an apocalyptic number.

4520434 is a deficient number, since it is larger than the sum of its proper divisors (2260220).

4520434 is a wasteful number, since it uses less digits than its factorization.

4520434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260219.

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

The square root of 4520434 is about 2126.1312283112. The cubic root of 4520434 is about 165.3458798939.

Adding to 4520434 its reverse (4340254), we get a palindrome (8860688).

The spelling of 4520434 in words is "four million, five hundred twenty thousand, four hundred thirty-four".