4321087 has 8 divisors (see below), whose sum is σ = 4514400. Its totient is φ = 4130784.

The previous prime is 4321081. The next prime is 4321091. The reversal of 4321087 is 7801234.

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 4321087 - 2⁷ = 4320959 is a prime.

It is a Duffinian number.

4321087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2478 + ... + 3844.

It is an arithmetic number, because the mean of its divisors is an integer number (564300).

Almost surely, 2^4321087 is an apocalyptic number.

4321087 is a deficient number, since it is larger than the sum of its proper divisors (193313).

4321087 is a wasteful number, since it uses less digits than its factorization.

4321087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4321087 is about 2078.7224441950. The cubic root of 4321087 is about 162.8787159055.

The spelling of 4321087 in words is "four million, three hundred twenty-one thousand, eighty-seven".