897746 has 4 divisors (see below), whose sum is σ = 1346622. Its totient is φ = 448872.

The previous prime is 897727. The next prime is 897751. The reversal of 897746 is 647798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647798 = 2 ⋅323899.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 96721 = 895^2 + 311^2 .

It is an unprimeable number.

897746 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 224435 + ... + 224438.

2⁸⁹⁷⁷⁴⁶ is an apocalyptic number.

897746 is a deficient number, since it is larger than the sum of its proper divisors (448876).

897746 is a wasteful number, since it uses less digits than its factorization.

897746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448875.

The product of its digits is 84672, while the sum is 41.

The square root of 897746 is about 947.4945910136. The cubic root of 897746 is about 96.4682705961.

The spelling of 897746 in words is "eight hundred ninety-seven thousand, seven hundred forty-six".