897747 has 8 divisors (see below), whose sum is σ = 1222656. Its totient is φ = 585672.

The previous prime is 897727. The next prime is 897751. The reversal of 897747 is 747798.

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

It is not a de Polignac number, because 897747 - 2¹⁰ = 896723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 897699 and 897708.

It is not an unprimeable number, because it can be changed into a prime (897707) 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, 3043 + ... + 3324.

It is an arithmetic number, because the mean of its divisors is an integer number (152832).

2⁸⁹⁷⁷⁴⁷ is an apocalyptic number.

897747 is a deficient number, since it is larger than the sum of its proper divisors (324909).

897747 is a wasteful number, since it uses less digits than its factorization.

897747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6417.

The product of its digits is 98784, while the sum is 42.

The square root of 897747 is about 947.4951187209. The cubic root of 897747 is about 96.4683064148.

The spelling of 897747 in words is "eight hundred ninety-seven thousand, seven hundred forty-seven".