897287 has 4 divisors (see below), whose sum is σ = 921576. Its totient is φ = 873000.

The previous prime is 897271. The next prime is 897301. The reversal of 897287 is 782798.

897287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782798 = 2 ⋅391399.

It is a cyclic number.

It is not a de Polignac number, because 897287 - 2⁴ = 897271 is a prime.

It is a d-powerful number, because it can be written as 8⁴ + 9 + 2¹⁶ + 7 + 8⁴ + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897287.

It is not an unprimeable number, because it can be changed into a prime (897887) 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, 12089 + ... + 12162.

It is an arithmetic number, because the mean of its divisors is an integer number (230394).

2⁸⁹⁷²⁸⁷ is an apocalyptic number.

897287 is a deficient number, since it is larger than the sum of its proper divisors (24289).

897287 is a wasteful number, since it uses less digits than its factorization.

897287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24288.

The product of its digits is 56448, while the sum is 41.

The square root of 897287 is about 947.2523423038. The cubic root of 897287 is about 96.4518270124.

The spelling of 897287 in words is "eight hundred ninety-seven thousand, two hundred eighty-seven".