897814 has 4 divisors (see below), whose sum is σ = 1346724. Its totient is φ = 448906.

The previous prime is 897781. The next prime is 897817. The reversal of 897814 is 418798.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224452 + ... + 224455.

It is an arithmetic number, because the mean of its divisors is an integer number (336681).

2⁸⁹⁷⁸¹⁴ is an apocalyptic number.

897814 is a deficient number, since it is larger than the sum of its proper divisors (448910).

897814 is a wasteful number, since it uses less digits than its factorization.

897814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448909.

The product of its digits is 16128, while the sum is 37.

The square root of 897814 is about 947.5304744440. The cubic root of 897814 is about 96.4707062059.

It can be divided in two parts, 897 and 814, that added together give a triangular number (1711 = T₅₈).

The spelling of 897814 in words is "eight hundred ninety-seven thousand, eight hundred fourteen".