4447087 has 4 divisors (see below), whose sum is σ = 4508080. Its totient is φ = 4386096.

The previous prime is 4447061. The next prime is 4447099. The reversal of 4447087 is 7807444.

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-4447087 is a prime.

It is a Duffinian number.

4447087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4447687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30387 + ... + 30532.

It is an arithmetic number, because the mean of its divisors is an integer number (1127020).

Almost surely, 2^4447087 is an apocalyptic number.

4447087 is a deficient number, since it is larger than the sum of its proper divisors (60993).

4447087 is an equidigital number, since it uses as much as digits as its factorization.

4447087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60992.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 4447087 is about 2108.8117507260. The cubic root of 4447087 is about 164.4467173447.

The spelling of 4447087 in words is "four million, four hundred forty-seven thousand, eighty-seven".