4144987 has 8 divisors (see below), whose sum is σ = 5167872. Its totient is φ = 3229800.

The previous prime is 4144981. The next prime is 4145003. The reversal of 4144987 is 7894414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4144987 - 2¹¹ = 4142939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4144981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26839 + ... + 26992.

It is an arithmetic number, because the mean of its divisors is an integer number (645984).

Almost surely, 2^4144987 is an apocalyptic number.

4144987 is a deficient number, since it is larger than the sum of its proper divisors (1022885).

4144987 is a wasteful number, since it uses less digits than its factorization.

4144987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53849.

The product of its digits is 32256, while the sum is 37.

The square root of 4144987 is about 2035.9241144994. The cubic root of 4144987 is about 160.6353254830.

It can be divided in two parts, 414498 and 7, that added together give a triangular number (414505 = T₉₁₀).

The spelling of 4144987 in words is "four million, one hundred forty-four thousand, nine hundred eighty-seven".