897447 has 8 divisors (see below), whose sum is σ = 1267056. Its totient is φ = 563072.

The previous prime is 897443. The next prime is 897461. The reversal of 897447 is 744798.

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 897447 - 2² = 897443 is a prime.

It is a super-3 number, since 3×897447³ = 2168441374333000869, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897443) 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, 8748 + ... + 8849.

It is an arithmetic number, because the mean of its divisors is an integer number (158382).

2⁸⁹⁷⁴⁴⁷ is an apocalyptic number.

897447 is a deficient number, since it is larger than the sum of its proper divisors (369609).

897447 is a wasteful number, since it uses less digits than its factorization.

897447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17617.

The product of its digits is 56448, while the sum is 39.

The square root of 897447 is about 947.3367933317. The cubic root of 897447 is about 96.4575596171.

The spelling of 897447 in words is "eight hundred ninety-seven thousand, four hundred forty-seven".