897147 has 12 divisors (see below), whose sum is σ = 1312584. Its totient is φ = 590400.

The previous prime is 897137. The next prime is 897157. The reversal of 897147 is 741798.

It is an interprime number because it is at equal distance from previous prime (897137) and next prime (897157).

It is not a de Polignac number, because 897147 - 2⁷ = 897019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (109382).

2⁸⁹⁷¹⁴⁷ is an apocalyptic number.

897147 is a deficient number, since it is larger than the sum of its proper divisors (415437).

897147 is a wasteful number, since it uses less digits than its factorization.

897147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1287 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 897147 is about 947.1784414776. The cubic root of 897147 is about 96.4468104242.

The spelling of 897147 in words is "eight hundred ninety-seven thousand, one hundred forty-seven".