897934273 has 4 divisors (see below), whose sum is σ = 905880708. Its totient is φ = 889987840.

The previous prime is 897934259. The next prime is 897934277. The reversal of 897934273 is 372439798.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 369715984 + 528218289 = 19228^2 + 22983^2 .

It is a cyclic number.

It is not a de Polignac number, because 897934273 - 2²¹ = 895837121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 897934273.

It is not an unprimeable number, because it can be changed into a prime (897934277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973048 + ... + 3973273.

It is an arithmetic number, because the mean of its divisors is an integer number (226470177).

Almost surely, 2^897934273 is an apocalyptic number.

It is an amenable number.

897934273 is a deficient number, since it is larger than the sum of its proper divisors (7946435).

897934273 is a wasteful number, since it uses less digits than its factorization.

897934273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946434.

The product of its digits is 2286144, while the sum is 52.

The square root of 897934273 is about 29965.5514382766. The cubic root of 897934273 is about 964.7501381793.

The spelling of 897934273 in words is "eight hundred ninety-seven million, nine hundred thirty-four thousand, two hundred seventy-three".