8856491 has 8 divisors (see below), whose sum is σ = 10139904. Its totient is φ = 7577640.

The previous prime is 8856487. The next prime is 8856503. The reversal of 8856491 is 1946588.

8856491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8856491 - 2² = 8856487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8256491) 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, 6146 + ... + 7448.

It is an arithmetic number, because the mean of its divisors is an integer number (1267488).

Almost surely, 2^8856491 is an apocalyptic number.

8856491 is a deficient number, since it is larger than the sum of its proper divisors (1283413).

8856491 is a wasteful number, since it uses less digits than its factorization.

8856491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281.

The product of its digits is 69120, while the sum is 41.

The square root of 8856491 is about 2975.9857190518. The cubic root of 8856491 is about 206.8968579175.

Subtracting from 8856491 its reverse (1946588), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8856491 in words is "eight million, eight hundred fifty-six thousand, four hundred ninety-one".