4581376 has 24 divisors (see below), whose sum is σ = 9164610. Its totient is φ = 2289664.

The previous prime is 4581331. The next prime is 4581383. The reversal of 4581376 is 6731854.

It can be written as a sum of positive squares in only one way, i.e., 3326976 + 1254400 = 1824^2 + 1120^2 .

It is an Ulam number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 930 + ... + 3166.

Almost surely, 2^4581376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4581376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4582305).

4581376 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4581376 is an equidigital number, since it uses as much as digits as its factorization.

4581376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259 (or 2239 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 4581376 is about 2140.4149130484. The cubic root of 4581376 is about 166.0855996320.

The spelling of 4581376 in words is "four million, five hundred eighty-one thousand, three hundred seventy-six".