897706 has 4 divisors (see below), whose sum is σ = 1346562. Its totient is φ = 448852.

The previous prime is 897703. The next prime is 897707. The reversal of 897706 is 607798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 585225 + 312481 = 765^2 + 559^2 .

It is not an unprimeable number, because it can be changed into a prime (897703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224425 + ... + 224428.

2⁸⁹⁷⁷⁰⁶ is an apocalyptic number.

897706 is a deficient number, since it is larger than the sum of its proper divisors (448856).

897706 is a wasteful number, since it uses less digits than its factorization.

897706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448855.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 897706 is about 947.4734824785. The cubic root of 897706 is about 96.4668378270.

The spelling of 897706 in words is "eight hundred ninety-seven thousand, seven hundred six".