4564987 has 8 divisors (see below), whose sum is σ = 5324000. Its totient is φ = 3912552.

The previous prime is 4564961. The next prime is 4564991. The reversal of 4564987 is 7894654.

It is not a de Polignac number, because 4564987 - 2¹¹ = 4562939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4564907) 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, 6312 + ... + 6997.

It is an arithmetic number, because the mean of its divisors is an integer number (665500).

Almost surely, 2^4564987 is an apocalyptic number.

4564987 is a deficient number, since it is larger than the sum of its proper divisors (759013).

4564987 is an equidigital number, since it uses as much as digits as its factorization.

4564987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13330 (or 13316 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 4564987 is about 2136.5830196835. The cubic root of 4564987 is about 165.8873164712.

The spelling of 4564987 in words is "four million, five hundred sixty-four thousand, nine hundred eighty-seven".