8856641 has 4 divisors (see below), whose sum is σ = 9322800. Its totient is φ = 8390484.

The previous prime is 8856637. The next prime is 8856649. The reversal of 8856641 is 1466588.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8856641 - 2² = 8856637 is a prime.

It is a super-3 number, since 3×8856641³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8856595 and 8856604.

It is not an unprimeable number, because it can be changed into a prime (8856649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233051 + ... + 233088.

It is an arithmetic number, because the mean of its divisors is an integer number (2330700).

Almost surely, 2^8856641 is an apocalyptic number.

It is an amenable number.

8856641 is a deficient number, since it is larger than the sum of its proper divisors (466159).

8856641 is a wasteful number, since it uses less digits than its factorization.

8856641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466158.

The product of its digits is 46080, while the sum is 38.

The square root of 8856641 is about 2976.0109206789. The cubic root of 8856641 is about 206.8980259630.

The spelling of 8856641 in words is "eight million, eight hundred fifty-six thousand, six hundred forty-one".