8840087 has 4 divisors (see below), whose sum is σ = 8878920. Its totient is φ = 8801256.

The previous prime is 8840057. The next prime is 8840093. The reversal of 8840087 is 7800488.

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

It is a cyclic number.

It is not a de Polignac number, because 8840087 - 2¹² = 8835991 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8840057) 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 3 ways as a sum of consecutive naturals, for example, 19073 + ... + 19530.

It is an arithmetic number, because the mean of its divisors is an integer number (2219730).

Almost surely, 2^8840087 is an apocalyptic number.

8840087 is a deficient number, since it is larger than the sum of its proper divisors (38833).

8840087 is a wasteful number, since it uses less digits than its factorization.

8840087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38832.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 8840087 is about 2973.2283800610. The cubic root of 8840087 is about 206.7690407932.

The spelling of 8840087 in words is "eight million, eight hundred forty thousand, eighty-seven".