897427833 has 4 divisors (see below), whose sum is σ = 1196570448. Its totient is φ = 598285220.

The previous prime is 897427813. The next prime is 897427849. The reversal of 897427833 is 338724798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 897427833 - 2¹⁰ = 897426809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897427813) 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 3 ways as a sum of consecutive naturals, for example, 149571303 + ... + 149571308.

It is an arithmetic number, because the mean of its divisors is an integer number (299142612).

Almost surely, 2^897427833 is an apocalyptic number.

It is an amenable number.

897427833 is a deficient number, since it is larger than the sum of its proper divisors (299142615).

897427833 is a wasteful number, since it uses less digits than its factorization.

897427833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299142614.

The product of its digits is 2032128, while the sum is 51.

The square root of 897427833 is about 29957.0998763231. The cubic root of 897427833 is about 964.5687292281.

The spelling of 897427833 in words is "eight hundred ninety-seven million, four hundred twenty-seven thousand, eight hundred thirty-three".