897297834 has 16 divisors (see below), whose sum is σ = 1795332960. Its totient is φ = 298976400.

The previous prime is 897297809. The next prime is 897297839. The reversal of 897297834 is 438792798.

It is not an unprimeable number, because it can be changed into a prime (897297839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14217 + ... + 44684.

It is an arithmetic number, because the mean of its divisors is an integer number (112208310).

Almost surely, 2^897297834 is an apocalyptic number.

897297834 is an abundant number, since it is smaller than the sum of its proper divisors (898035126).

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

897297834 is a wasteful number, since it uses less digits than its factorization.

897297834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61445.

The product of its digits is 6096384, while the sum is 57.

The square root of 897297834 is about 29954.9300449859. The cubic root of 897297834 is about 964.5221520286.

The spelling of 897297834 in words is "eight hundred ninety-seven million, two hundred ninety-seven thousand, eight hundred thirty-four".