897428 has 12 divisors (see below), whose sum is σ = 1794912. Its totient is φ = 384600.

The previous prime is 897401. The next prime is 897433. The reversal of 897428 is 824798.

897428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

897428 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 897391 and 897400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15998 + ... + 16053.

It is an arithmetic number, because the mean of its divisors is an integer number (149576).

2⁸⁹⁷⁴²⁸ is an apocalyptic number.

It is an amenable number.

897428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

897428 is a wasteful number, since it uses less digits than its factorization.

897428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32062 (or 32060 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 897428 is about 947.3267651661. The cubic root of 897428 is about 96.4568789059.

The spelling of 897428 in words is "eight hundred ninety-seven thousand, four hundred twenty-eight".