4463987 has 4 divisors (see below), whose sum is σ = 4869816. Its totient is φ = 4058160.

The previous prime is 4463971. The next prime is 4464007. The reversal of 4463987 is 7893644.

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 4463987 - 2⁴ = 4463971 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 4¹¹ + 6³ + 3⁵ + 9⁴ + 8³ + 7 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4463947) 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 3 ways as a sum of consecutive naturals, for example, 202898 + ... + 202919.

It is an arithmetic number, because the mean of its divisors is an integer number (1217454).

Almost surely, 2^4463987 is an apocalyptic number.

4463987 is a deficient number, since it is larger than the sum of its proper divisors (405829).

4463987 is a wasteful number, since it uses less digits than its factorization.

4463987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405828.

The product of its digits is 145152, while the sum is 41.

The square root of 4463987 is about 2112.8149469369. The cubic root of 4463987 is about 164.6547663783.

The spelling of 4463987 in words is "four million, four hundred sixty-three thousand, nine hundred eighty-seven".