897660 has 36 divisors (see below), whose sum is σ = 2723448. Its totient is φ = 239328.

The previous prime is 897649. The next prime is 897671. The reversal of 897660 is 66798.

It is an interprime number because it is at equal distance from previous prime (897649) and next prime (897671).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2314 + ... + 2673.

2⁸⁹⁷⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

897660 is an abundant number, since it is smaller than the sum of its proper divisors (1825788).

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

897660 is a wasteful number, since it uses less digits than its factorization.

897660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 897660 is about 947.4492070818. The cubic root of 897660 is about 96.4651900900.

The spelling of 897660 in words is "eight hundred ninety-seven thousand, six hundred sixty".