897696843 has 4 divisors (see below), whose sum is σ = 1196929128. Its totient is φ = 598464560.

The previous prime is 897696817. The next prime is 897696869. The reversal of 897696843 is 348696798.

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

It is an interprime number because it is at equal distance from previous prime (897696817) and next prime (897696869).

It is a cyclic number.

It is not a de Polignac number, because 897696843 - 2⁸ = 897696587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897696143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149616138 + ... + 149616143.

It is an arithmetic number, because the mean of its divisors is an integer number (299232282).

Almost surely, 2^897696843 is an apocalyptic number.

897696843 is a deficient number, since it is larger than the sum of its proper divisors (299232285).

897696843 is a wasteful number, since it uses less digits than its factorization.

897696843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299232284.

The product of its digits is 15676416, while the sum is 60.

The square root of 897696843 is about 29961.5894605076. The cubic root of 897696843 is about 964.6650982440.

The spelling of 897696843 in words is "eight hundred ninety-seven million, six hundred ninety-six thousand, eight hundred forty-three".