4487838 has 16 divisors (see below), whose sum is σ = 9448320. Its totient is φ = 1417176.

The previous prime is 4487809. The next prime is 4487843. The reversal of 4487838 is 8387844.

It is a self number, because there is not a number n which added to its sum of digits gives 4487838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19570 + ... + 19797.

It is an arithmetic number, because the mean of its divisors is an integer number (590520).

Almost surely, 2^4487838 is an apocalyptic number.

4487838 is an abundant number, since it is smaller than the sum of its proper divisors (4960482).

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

4487838 is a wasteful number, since it uses less digits than its factorization.

4487838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39391.

The product of its digits is 172032, while the sum is 42.

The square root of 4487838 is about 2118.4517931735. The cubic root of 4487838 is about 164.9474947723.

The spelling of 4487838 in words is "four million, four hundred eighty-seven thousand, eight hundred thirty-eight".