897278934 has 32 divisors (see below), whose sum is σ = 1845295200. Its totient is φ = 290656512.

The previous prime is 897278929. The next prime is 897278939. The reversal of 897278934 is 439872798.

It is an interprime number because it is at equal distance from previous prime (897278929) and next prime (897278939).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897278939) 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 15 ways as a sum of consecutive naturals, for example, 230952 + ... + 234804.

It is an arithmetic number, because the mean of its divisors is an integer number (57665475).

Almost surely, 2^897278934 is an apocalyptic number.

897278934 is an abundant number, since it is smaller than the sum of its proper divisors (948016266).

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

897278934 is a wasteful number, since it uses less digits than its factorization.

897278934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944.

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

The square root of 897278934 is about 29954.6145693781. The cubic root of 897278934 is about 964.5153799938.

The spelling of 897278934 in words is "eight hundred ninety-seven million, two hundred seventy-eight thousand, nine hundred thirty-four".