896622021 has 16 divisors (see below), whose sum is σ = 1371179520. Its totient is φ = 578465280.

The previous prime is 896622011. The next prime is 896622037. The reversal of 896622021 is 120226698.

It is a happy number.

896622021 is a `hidden beast` number, since 8 + 9 + 6 + 622 + 0 + 21 = 666.

It is not a de Polignac number, because 896622021 - 2²⁹ = 359751109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (896622011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534780 + ... + 536453.

It is an arithmetic number, because the mean of its divisors is an integer number (85698720).

Almost surely, 2^896622021 is an apocalyptic number.

It is an amenable number.

896622021 is a deficient number, since it is larger than the sum of its proper divisors (474557499).

896622021 is a wasteful number, since it uses less digits than its factorization.

896622021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071273 (or 1071267 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 896622021 is about 29943.6474231180. The cubic root of 896622021 is about 964.2799432177.

The spelling of 896622021 in words is "eight hundred ninety-six million, six hundred twenty-two thousand, twenty-one".