896643 has 16 divisors (see below), whose sum is σ = 1449600. Its totient is φ = 543240.

The previous prime is 896633. The next prime is 896647. The reversal of 896643 is 346698.

896643 is a `hidden beast` number, since 8 + 9 + 6 + 643 = 666.

It is not a de Polignac number, because 896643 - 2¹² = 892547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 896598 and 896607.

It is not an unprimeable number, because it can be changed into a prime (896647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213 + ... + 1806.

It is an arithmetic number, because the mean of its divisors is an integer number (90600).

2⁸⁹⁶⁶⁴³ is an apocalyptic number.

896643 is a deficient number, since it is larger than the sum of its proper divisors (552957).

896643 is a wasteful number, since it uses less digits than its factorization.

896643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039 (or 3033 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 896643 is about 946.9123507485. The cubic root of 896643 is about 96.4287463842.

Subtracting from 896643 its reverse (346698), we obtain a palindrome (549945).

It can be divided in two parts, 8966 and 43, that added together give a palindrome (9009).

The spelling of 896643 in words is "eight hundred ninety-six thousand, six hundred forty-three".