4872661 has 8 divisors (see below), whose sum is σ = 5025240. Its totient is φ = 4722432.

The previous prime is 4872649. The next prime is 4872691. The reversal of 4872661 is 1662784.

It can be written as a sum of positive squares in 4 ways, for example, as 1739761 + 3132900 = 1319^2 + 1770^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4872661 - 2⁵ = 4872629 is a prime.

It is a Duffinian number.

4872661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4872691) 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, 4201 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (628155).

Almost surely, 2^4872661 is an apocalyptic number.

It is an amenable number.

4872661 is a deficient number, since it is larger than the sum of its proper divisors (152579).

4872661 is a wasteful number, since it uses less digits than its factorization.

4872661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175.

The product of its digits is 16128, while the sum is 34.

The square root of 4872661 is about 2207.4104738358. The cubic root of 4872661 is about 169.5334497149.

The spelling of 4872661 in words is "four million, eight hundred seventy-two thousand, six hundred sixty-one".