4887491 has 16 divisors (see below), whose sum is σ = 5849088. Its totient is φ = 3996000.

The previous prime is 4887481. The next prime is 4887529. The reversal of 4887491 is 1947884.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4887491 - 2¹⁴ = 4871107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4887401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21806 + ... + 22028.

It is an arithmetic number, because the mean of its divisors is an integer number (365568).

Almost surely, 2^4887491 is an apocalyptic number.

4887491 is a deficient number, since it is larger than the sum of its proper divisors (961597).

4887491 is a wasteful number, since it uses less digits than its factorization.

4887491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its digits is 64512, while the sum is 41.

The square root of 4887491 is about 2210.7670614517. The cubic root of 4887491 is about 169.7052678595.

The spelling of 4887491 in words is "four million, eight hundred eighty-seven thousand, four hundred ninety-one".