897319285 has 8 divisors (see below), whose sum is σ = 1091534040. Its totient is φ = 708021504.

The previous prime is 897319261. The next prime is 897319331. The reversal of 897319285 is 582913798.

897319285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 71216721 + 826102564 = 8439^2 + 28742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 897319285 - 2¹⁷ = 897188213 is a prime.

It is a super-2 number, since 2×897319285² = 1610363798465822450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228840 + ... + 1229569.

It is an arithmetic number, because the mean of its divisors is an integer number (136441755).

Almost surely, 2^897319285 is an apocalyptic number.

It is an amenable number.

897319285 is a deficient number, since it is larger than the sum of its proper divisors (194214755).

897319285 is a wasteful number, since it uses less digits than its factorization.

897319285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458487.

The product of its digits is 1088640, while the sum is 52.

The square root of 897319285 is about 29955.2880974295. The cubic root of 897319285 is about 964.5298379939.

The spelling of 897319285 in words is "eight hundred ninety-seven million, three hundred nineteen thousand, two hundred eighty-five".