897816443 has 8 divisors (see below), whose sum is σ = 945653520. Its totient is φ = 850037760.

The previous prime is 897816421. The next prime is 897816463. The reversal of 897816443 is 344618798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 897816443 - 2⁸ = 897816187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 897816391 and 897816400.

It is not an unprimeable number, because it can be changed into a prime (897816463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18971 + ... + 46427.

It is an arithmetic number, because the mean of its divisors is an integer number (118206690).

Almost surely, 2^897816443 is an apocalyptic number.

897816443 is a deficient number, since it is larger than the sum of its proper divisors (47837077).

897816443 is a wasteful number, since it uses less digits than its factorization.

897816443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29197.

The product of its digits is 1161216, while the sum is 50.

The square root of 897816443 is about 29963.5852828062. The cubic root of 897816443 is about 964.7079370647.

The spelling of 897816443 in words is "eight hundred ninety-seven million, eight hundred sixteen thousand, four hundred forty-three".