4493520 has 90 divisors (see below), whose sum is σ = 15284178. Its totient is φ = 1183104.

The previous prime is 4493513. The next prime is 4493527. The reversal of 4493520 is 253944.

It is an interprime number because it is at equal distance from previous prime (4493513) and next prime (4493527).

It can be written as a sum of positive squares in only one way, i.e., 3594816 + 898704 = 1896^2 + 948^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56841 + ... + 56919.

Almost surely, 2^4493520 is an apocalyptic number.

4493520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4493520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7642089).

4493520 is an abundant number, since it is smaller than the sum of its proper divisors (10790658).

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

4493520 is a wasteful number, since it uses less digits than its factorization.

4493520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4493520 is about 2119.7924426698. The cubic root of 4493520 is about 165.0170781221.

It can be divided in two parts, 449 and 3520, that added together give a square (3969 = 63²).

The spelling of 4493520 in words is "four million, four hundred ninety-three thousand, five hundred twenty".