896226821 has 4 divisors (see below), whose sum is σ = 1024259232. Its totient is φ = 768194412.

The previous prime is 896226803. The next prime is 896226829. The reversal of 896226821 is 128622698.

896226821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-896226821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (896226829) 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, 64016195 + ... + 64016208.

It is an arithmetic number, because the mean of its divisors is an integer number (256064808).

Almost surely, 2^896226821 is an apocalyptic number.

It is an amenable number.

896226821 is a deficient number, since it is larger than the sum of its proper divisors (128032411).

896226821 is a wasteful number, since it uses less digits than its factorization.

896226821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128032410.

The product of its digits is 165888, while the sum is 44.

The square root of 896226821 is about 29937.0476333255. The cubic root of 896226821 is about 964.1382486396.

The spelling of 896226821 in words is "eight hundred ninety-six million, two hundred twenty-six thousand, eight hundred twenty-one".