4048865 has 8 divisors (see below), whose sum is σ = 4870248. Its totient is φ = 3231360.

The previous prime is 4048861. The next prime is 4048867. The reversal of 4048865 is 5688404.

It can be written as a sum of positive squares in 4 ways, for example, as 179776 + 3869089 = 424^2 + 1967^2 .

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

It is not a de Polignac number, because 4048865 - 2² = 4048861 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 2405 + ... + 3725.

It is an arithmetic number, because the mean of its divisors is an integer number (608781).

Almost surely, 2^4048865 is an apocalyptic number.

It is an amenable number.

4048865 is a deficient number, since it is larger than the sum of its proper divisors (821383).

4048865 is a wasteful number, since it uses less digits than its factorization.

4048865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 4048865 is about 2012.1791669730. The cubic root of 4048865 is about 159.3838936470.

It can be divided in two parts, 4048 and 865, that added together give a cube (4913 = 17³).

The spelling of 4048865 in words is "four million, forty-eight thousand, eight hundred sixty-five".