4487851 has 4 divisors (see below), whose sum is σ = 4504104. Its totient is φ = 4471600.

The previous prime is 4487849. The next prime is 4487869. The reversal of 4487851 is 1587844.

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

It is a cyclic number.

It is not a de Polignac number, because 4487851 - 2¹ = 4487849 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 4487851.

It is not an unprimeable number, because it can be changed into a prime (4487801) 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, 7705 + ... + 8266.

It is an arithmetic number, because the mean of its divisors is an integer number (1126026).

Almost surely, 2^4487851 is an apocalyptic number.

4487851 is a deficient number, since it is larger than the sum of its proper divisors (16253).

4487851 is a wasteful number, since it uses less digits than its factorization.

4487851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16252.

The product of its digits is 35840, while the sum is 37.

The square root of 4487851 is about 2118.4548614497. The cubic root of 4487851 is about 164.9476540409.

The spelling of 4487851 in words is "four million, four hundred eighty-seven thousand, eight hundred fifty-one".