4486661 has 4 divisors (see below), whose sum is σ = 4631424. Its totient is φ = 4341900.

The previous prime is 4486649. The next prime is 4486673. The reversal of 4486661 is 1666844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4486649) and next prime (4486673).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4486661 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 4¹¹ + 8³ + 6² + 6⁵ + 6⁷ + 1 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4486621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72335 + ... + 72396.

It is an arithmetic number, because the mean of its divisors is an integer number (1157856).

Almost surely, 2^4486661 is an apocalyptic number.

It is an amenable number.

4486661 is a deficient number, since it is larger than the sum of its proper divisors (144763).

4486661 is a wasteful number, since it uses less digits than its factorization.

4486661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144762.

The product of its digits is 27648, while the sum is 35.

The square root of 4486661 is about 2118.1739777459. The cubic root of 4486661 is about 164.9330735613.

The spelling of 4486661 in words is "four million, four hundred eighty-six thousand, six hundred sixty-one".