897955 has 4 divisors (see below), whose sum is σ = 1077552. Its totient is φ = 718360.

The previous prime is 897947. The next prime is 897971. The reversal of 897955 is 559798.

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

It is not a de Polignac number, because 897955 - 2³ = 897947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89791 + ... + 89800.

It is an arithmetic number, because the mean of its divisors is an integer number (269388).

2⁸⁹⁷⁹⁵⁵ is an apocalyptic number.

897955 is a deficient number, since it is larger than the sum of its proper divisors (179597).

897955 is a wasteful number, since it uses less digits than its factorization.

897955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179596.

The product of its digits is 113400, while the sum is 43.

The square root of 897955 is about 947.6048754623. The cubic root of 897955 is about 96.4757561225.

The spelling of 897955 in words is "eight hundred ninety-seven thousand, nine hundred fifty-five".