897422 has 8 divisors (see below), whose sum is σ = 1350216. Its totient is φ = 447352.

The previous prime is 897401. The next prime is 897433. The reversal of 897422 is 224798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 728 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (168777).

2⁸⁹⁷⁴²² is an apocalyptic number.

897422 is a deficient number, since it is larger than the sum of its proper divisors (452794).

897422 is a wasteful number, since it uses less digits than its factorization.

897422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

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

The square root of 897422 is about 947.3235983549. The cubic root of 897422 is about 96.4566639425.

It can be divided in two parts, 8 and 97422, that multiplied together give a triangular number (779376 = T₁₂₄₈).

The spelling of 897422 in words is "eight hundred ninety-seven thousand, four hundred twenty-two".