897648 has 20 divisors (see below), whose sum is σ = 2319048. Its totient is φ = 299200.

The previous prime is 897647. The next prime is 897649. The reversal of 897648 is 846798.

It is a happy number.

897648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (897647) and next prime (897649).

It is a d-powerful number, because it can be written as 8⁵ + 9³ + 6⁵ + 7⁷ + 4³ + 8⁵ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897648.

It is not an unprimeable number, because it can be changed into a prime (897647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9303 + ... + 9398.

2⁸⁹⁷⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

897648 is an abundant number, since it is smaller than the sum of its proper divisors (1421400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897648 is a wasteful number, since it uses less digits than its factorization.

897648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18712 (or 18706 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 897648 is about 947.4428742674. The cubic root of 897648 is about 96.4647602363.

The spelling of 897648 in words is "eight hundred ninety-seven thousand, six hundred forty-eight".