897404 has 6 divisors (see below), whose sum is σ = 1570464. Its totient is φ = 448700.

The previous prime is 897401. The next prime is 897433. The reversal of 897404 is 404798.

It is a happy number.

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 897404.

It is not an unprimeable number, because it can be changed into a prime (897401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112172 + ... + 112179.

It is an arithmetic number, because the mean of its divisors is an integer number (261744).

2⁸⁹⁷⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

897404 is a deficient number, since it is larger than the sum of its proper divisors (673060).

897404 is a wasteful number, since it uses less digits than its factorization.

897404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224355 (or 224353 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 897404 is about 947.3140978577. The cubic root of 897404 is about 96.4560190465.

The spelling of 897404 in words is "eight hundred ninety-seven thousand, four hundred four".