897012 has 18 divisors (see below), whose sum is σ = 2267538. Its totient is φ = 298992.

The previous prime is 897011. The next prime is 897019. The reversal of 897012 is 210798.

It can be written as a sum of positive squares in only one way, i.e., 820836 + 76176 = 906^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12423 + ... + 12494.

2⁸⁹⁷⁰¹² is an apocalyptic number.

It is an amenable number.

897012 is an abundant number, since it is smaller than the sum of its proper divisors (1370526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897012 is a wasteful number, since it uses less digits than its factorization.

897012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24927 (or 24922 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 897012 is about 947.1071745056. The cubic root of 897012 is about 96.4419725055.

It can be divided in two parts, 8 and 97012, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 897012 in words is "eight hundred ninety-seven thousand, twelve".