897872 has 20 divisors (see below), whose sum is σ = 1842516. Its totient is φ = 422400.

The previous prime is 897847. The next prime is 897877. The reversal of 897872 is 278798.

897872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 440896 + 456976 = 664^2 + 676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897877) 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, 1379 + ... + 1922.

2⁸⁹⁷⁸⁷² is an apocalyptic number.

It is an amenable number.

897872 is an abundant number, since it is smaller than the sum of its proper divisors (944644).

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

897872 is a wasteful number, since it uses less digits than its factorization.

897872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3320 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 897872 is about 947.5610798255. The cubic root of 897872 is about 96.4727835406.

It can be divided in two parts, 8978 and 72, that multiplied together give a square (646416 = 804²).

The spelling of 897872 in words is "eight hundred ninety-seven thousand, eight hundred seventy-two".