8921885 has 8 divisors (see below), whose sum is σ = 12235776. Its totient is φ = 6117840.

The previous prime is 8921873. The next prime is 8921911. The reversal of 8921885 is 5881298.

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

It is not a de Polignac number, because 8921885 - 2⁸ = 8921629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127421 + ... + 127490.

It is an arithmetic number, because the mean of its divisors is an integer number (1529472).

Almost surely, 2^8921885 is an apocalyptic number.

It is an amenable number.

8921885 is a deficient number, since it is larger than the sum of its proper divisors (3313891).

8921885 is a wasteful number, since it uses less digits than its factorization.

8921885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254923.

The product of its digits is 46080, while the sum is 41.

The square root of 8921885 is about 2986.9524602846. The cubic root of 8921885 is about 207.4048337010.

The spelling of 8921885 in words is "eight million, nine hundred twenty-one thousand, eight hundred eighty-five".