897281 has 16 divisors (see below), whose sum is σ = 1148928. Its totient is φ = 680400.

The previous prime is 897271. The next prime is 897301. The reversal of 897281 is 182798.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-897281 is a prime.

It is a super-2 number, since 2×897281² = 1610226385922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8⁴ + 9 + 2¹⁶ + 7⁷ + 8⁴ + 1 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897281.

It is not an unprimeable number, because it can be changed into a prime (897241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (71808).

2⁸⁹⁷²⁸¹ is an apocalyptic number.

It is an amenable number.

897281 is a deficient number, since it is larger than the sum of its proper divisors (251647).

897281 is a wasteful number, since it uses less digits than its factorization.

897281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its digits is 8064, while the sum is 35.

The square root of 897281 is about 947.2491752438. The cubic root of 897281 is about 96.4516120264.

The spelling of 897281 in words is "eight hundred ninety-seven thousand, two hundred eighty-one".