4461140 has 24 divisors (see below), whose sum is σ = 9920232. Its totient is φ = 1679360.

The previous prime is 4461109. The next prime is 4461161. The reversal of 4461140 is 411644.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 315844 + 4145296 = 562^2 + 2036^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 6221 + ... + 6900.

It is an arithmetic number, because the mean of its divisors is an integer number (413343).

Almost surely, 2^4461140 is an apocalyptic number.

It is an amenable number.

4461140 is an abundant number, since it is smaller than the sum of its proper divisors (5459092).

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

4461140 is a wasteful number, since it uses less digits than its factorization.

4461140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13147 (or 13145 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4461140 is about 2112.1410937719. The cubic root of 4461140 is about 164.6197549404.

Adding to 4461140 its reverse (411644), we get a palindrome (4872784).

The spelling of 4461140 in words is "four million, four hundred sixty-one thousand, one hundred forty".