896822809 has 3 divisors (see below), whose sum is σ = 896852757. Its totient is φ = 896792862.

The previous prime is 896822803. The next prime is 896822813. The reversal of 896822809 is 908228698.

The square root of 896822809 is 29947.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 896822809 - 2⁷ = 896822681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (896822803) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14974 + ... + 44920.

It is an arithmetic number, because the mean of its divisors is an integer number (298950919).

Almost surely, 2^896822809 is an apocalyptic number.

896822809 is the 29947-th square number.

896822809 is the 14974-th centered octagonal number.

It is an amenable number.

896822809 is a deficient number, since it is larger than the sum of its proper divisors (29948).

896822809 is an frugal number, since it uses more digits than its factorization.

896822809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59894 (or 29947 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The cubic root of 896822809 is about 964.3519175784.

The spelling of 896822809 in words is "eight hundred ninety-six million, eight hundred twenty-two thousand, eight hundred nine".