897005 has 16 divisors (see below), whose sum is σ = 1165104. Its totient is φ = 660480.

The previous prime is 896983. The next prime is 897007. The reversal of 897005 is 500798.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 196 + 896809 = 14^2 + 947^2 .

It is not a de Polignac number, because 897005 - 2¹⁸ = 634861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897007) 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, 5099 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (72819).

2⁸⁹⁷⁰⁰⁵ is an apocalyptic number.

897005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

897005 is a deficient number, since it is larger than the sum of its proper divisors (268099).

897005 is a wasteful number, since it uses less digits than its factorization.

897005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 897005 is about 947.1034790349. The cubic root of 897005 is about 96.4417216373.

The spelling of 897005 in words is "eight hundred ninety-seven thousand, five".