4479861 has 8 divisors (see below), whose sum is σ = 5989024. Its totient is φ = 2978640.

The previous prime is 4479851. The next prime is 4479863. The reversal of 4479861 is 1689744.

It is a happy number.

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

It is not a de Polignac number, because 4479861 - 2⁵ = 4479829 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 4¹¹ + 7⁵ + 9⁴ + 8 + 6² + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4479863) 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, 511 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (748628).

Almost surely, 2^4479861 is an apocalyptic number.

It is an amenable number.

4479861 is a deficient number, since it is larger than the sum of its proper divisors (1509163).

4479861 is a wasteful number, since it uses less digits than its factorization.

4479861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971.

The product of its digits is 48384, while the sum is 39.

The square root of 4479861 is about 2116.5682129334. The cubic root of 4479861 is about 164.8497070382.

The spelling of 4479861 in words is "four million, four hundred seventy-nine thousand, eight hundred sixty-one".