4461660 has 72 divisors (see below), whose sum is σ = 15471456. Its totient is φ = 1019520.

The previous prime is 4461649. The next prime is 4461671. The reversal of 4461660 is 661644.

4461660 is a `hidden beast` number, since 44 + 616 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (4461649) and next prime (4461671).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511 + ... + 3030.

Almost surely, 2^4461660 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 4461660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7735728).

4461660 is an abundant number, since it is smaller than the sum of its proper divisors (11009796).

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

4461660 is a wasteful number, since it uses less digits than its factorization.

4461660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4461660 is about 2112.2641880219. The cubic root of 4461660 is about 164.6261508352.

The spelling of 4461660 in words is "four million, four hundred sixty-one thousand, six hundred sixty".