897455 has 8 divisors (see below), whose sum is σ = 1159872. Its totient is φ = 662688.

The previous prime is 897443. The next prime is 897461. The reversal of 897455 is 554798.

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

It is not a de Polignac number, because 897455 - 2¹² = 893359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6839 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (144984).

2⁸⁹⁷⁴⁵⁵ is an apocalyptic number.

897455 is a deficient number, since it is larger than the sum of its proper divisors (262417).

897455 is a wasteful number, since it uses less digits than its factorization.

897455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13825.

The product of its digits is 50400, while the sum is 38.

The square root of 897455 is about 947.3410156855. The cubic root of 897455 is about 96.4578462295.

The spelling of 897455 in words is "eight hundred ninety-seven thousand, four hundred fifty-five".