4554320 has 20 divisors (see below), whose sum is σ = 10588980. Its totient is φ = 1821696.

The previous prime is 4554313. The next prime is 4554323. The reversal of 4554320 is 234554.

It can be written as a sum of positive squares in 2 ways, for example, as 602176 + 3952144 = 776^2 + 1988^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4554323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28385 + ... + 28544.

It is an arithmetic number, because the mean of its divisors is an integer number (529449).

Almost surely, 2^4554320 is an apocalyptic number.

4554320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4554320 is an abundant number, since it is smaller than the sum of its proper divisors (6034660).

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

4554320 is a wasteful number, since it uses less digits than its factorization.

4554320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56942 (or 56936 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4554320 is about 2134.0852841440. The cubic root of 4554320 is about 165.7580061303.

Adding to 4554320 its reverse (234554), we get a palindrome (4788874).

The spelling of 4554320 in words is "four million, five hundred fifty-four thousand, three hundred twenty".