4821087 has 4 divisors (see below), whose sum is σ = 6428120. Its totient is φ = 3214056.

The previous prime is 4821083. The next prime is 4821097. The reversal of 4821087 is 7801284.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4821087 - 2² = 4821083 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821083) 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, 803512 + ... + 803517.

It is an arithmetic number, because the mean of its divisors is an integer number (1607030).

Almost surely, 2^4821087 is an apocalyptic number.

4821087 is a deficient number, since it is larger than the sum of its proper divisors (1607033).

4821087 is a wasteful number, since it uses less digits than its factorization.

4821087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607032.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 4821087 is about 2195.6973835208. The cubic root of 4821087 is about 168.9331925521.

The spelling of 4821087 in words is "four million, eight hundred twenty-one thousand, eighty-seven".