4456987 has 4 divisors (see below), whose sum is σ = 4565736. Its totient is φ = 4348240.

The previous prime is 4456973. The next prime is 4456997. The reversal of 4456987 is 7896544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4456987 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 4¹¹ + 5 + 6 + 9 + 8³ + 7 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4456937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54313 + ... + 54394.

It is an arithmetic number, because the mean of its divisors is an integer number (1141434).

Almost surely, 2^4456987 is an apocalyptic number.

4456987 is a deficient number, since it is larger than the sum of its proper divisors (108749).

4456987 is a wasteful number, since it uses less digits than its factorization.

4456987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108748.

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

The square root of 4456987 is about 2111.1577392511. The cubic root of 4456987 is about 164.5686560359.

The spelling of 4456987 in words is "four million, four hundred fifty-six thousand, nine hundred eighty-seven".