4048866 has 28 divisors (see below), whose sum is σ = 9109062. Its totient is φ = 1349136.

The previous prime is 4048861. The next prime is 4048867. The reversal of 4048866 is 6688404.

It can be written as a sum of positive squares in only one way, i.e., 3884841 + 164025 = 1971^2 + 405^2 .

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 4048866.

It is not an unprimeable number, because it can be changed into a prime (4048861) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 70 + ... + 2846.

Almost surely, 2^4048866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4048866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4554531).

4048866 is an abundant number, since it is smaller than the sum of its proper divisors (5060196).

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

4048866 is an equidigital number, since it uses as much as digits as its factorization.

4048866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 4048866 is about 2012.1794154598. The cubic root of 4048866 is about 159.3839067687.

The spelling of 4048866 in words is "four million, forty-eight thousand, eight hundred sixty-six".