4581380 has 24 divisors (see below), whose sum is σ = 9661848. Its totient is φ = 1824768.

The previous prime is 4581331. The next prime is 4581383. The reversal of 4581380 is 831854.

It can be written as a sum of positive squares in 4 ways, for example, as 2172676 + 2408704 = 1474^2 + 1552^2 .

It is not an unprimeable number, because it can be changed into a prime (4581383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7652 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (402577).

Almost surely, 2^4581380 is an apocalyptic number.

It is an amenable number.

4581380 is an abundant number, since it is smaller than the sum of its proper divisors (5080468).

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

4581380 is a wasteful number, since it uses less digits than its factorization.

4581380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 4581380 is about 2140.4158474465. The cubic root of 4581380 is about 166.0856479684.

The spelling of 4581380 in words is "four million, five hundred eighty-one thousand, three hundred eighty".