4418987 has 8 divisors (see below), whose sum is σ = 4548096. Its totient is φ = 4291432.

The previous prime is 4418983. The next prime is 4418989. The reversal of 4418987 is 7898144.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4418987 - 2² = 4418983 is a prime.

It is a super-2 number, since 2×4418987² = 39054892212338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4418983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7568 + ... + 8130.

It is an arithmetic number, because the mean of its divisors is an integer number (568512).

Almost surely, 2^4418987 is an apocalyptic number.

4418987 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

4418987 is a deficient number, since it is larger than the sum of its proper divisors (129109).

4418987 is a wasteful number, since it uses less digits than its factorization.

4418987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

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

The square root of 4418987 is about 2102.1386728758. The cubic root of 4418987 is about 164.0996197249.

The spelling of 4418987 in words is "four million, four hundred eighteen thousand, nine hundred eighty-seven".