897319272 has 32 divisors (see below), whose sum is σ = 2280077280. Its totient is φ = 294202560.

The previous prime is 897319261. The next prime is 897319331. The reversal of 897319272 is 272913798.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304998 + ... + 307925.

It is an arithmetic number, because the mean of its divisors is an integer number (71252415).

Almost surely, 2^897319272 is an apocalyptic number.

It is an amenable number.

897319272 is an abundant number, since it is smaller than the sum of its proper divisors (1382758008).

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

897319272 is a wasteful number, since it uses less digits than its factorization.

897319272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612993 (or 612989 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 897319272 is about 29955.2878804394. The cubic root of 897319272 is about 964.5298333360.

The spelling of 897319272 in words is "eight hundred ninety-seven million, three hundred nineteen thousand, two hundred seventy-two".