4487873 has 4 divisors (see below), whose sum is σ = 4833108. Its totient is φ = 4142640.

The previous prime is 4487869. The next prime is 4487887. The reversal of 4487873 is 3787844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 908209 + 3579664 = 953^2 + 1892^2 .

It is a cyclic number.

It is not a de Polignac number, because 4487873 - 2² = 4487869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4487873.

It is not an unprimeable number, because it can be changed into a prime (4487803) 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, 172598 + ... + 172623.

It is an arithmetic number, because the mean of its divisors is an integer number (1208277).

Almost surely, 2^4487873 is an apocalyptic number.

It is an amenable number.

4487873 is a deficient number, since it is larger than the sum of its proper divisors (345235).

4487873 is a wasteful number, since it uses less digits than its factorization.

4487873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345234.

The product of its digits is 150528, while the sum is 41.

The square root of 4487873 is about 2118.4600539071. The cubic root of 4487873 is about 164.9479235718.

The spelling of 4487873 in words is "four million, four hundred eighty-seven thousand, eight hundred seventy-three".