897311 has 4 divisors (see below), whose sum is σ = 950112. Its totient is φ = 844512.

The previous prime is 897307. The next prime is 897317. The reversal of 897311 is 113798.

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

It is a cyclic number.

It is not a de Polignac number, because 897311 - 2² = 897307 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26375 + ... + 26408.

It is an arithmetic number, because the mean of its divisors is an integer number (237528).

2⁸⁹⁷³¹¹ is an apocalyptic number.

897311 is a deficient number, since it is larger than the sum of its proper divisors (52801).

897311 is a wasteful number, since it uses less digits than its factorization.

897311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52800.

The product of its digits is 1512, while the sum is 29.

The square root of 897311 is about 947.2650104379. The cubic root of 897311 is about 96.4526869465.

The spelling of 897311 in words is "eight hundred ninety-seven thousand, three hundred eleven".