897653 has 8 divisors (see below), whose sum is σ = 933120. Its totient is φ = 862960.

The previous prime is 897649. The next prime is 897671. The reversal of 897653 is 356798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 897653 - 2² = 897649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3203 + ... + 3471.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

2⁸⁹⁷⁶⁵³ is an apocalyptic number.

It is an amenable number.

897653 is a deficient number, since it is larger than the sum of its proper divisors (35467).

897653 is a wasteful number, since it uses less digits than its factorization.

897653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its digits is 45360, while the sum is 38.

The square root of 897653 is about 947.4455129452. The cubic root of 897653 is about 96.4649393425.

The spelling of 897653 in words is "eight hundred ninety-seven thousand, six hundred fifty-three".