897656371 has 8 divisors (see below), whose sum is σ = 933027984. Its totient is φ = 862869600.

The previous prime is 897656369. The next prime is 897656377. The reversal of 897656371 is 173656798.

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

It is not a de Polignac number, because 897656371 - 2¹ = 897656369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897656377) by changing a digit.

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, 143080 + ... + 149221.

It is an arithmetic number, because the mean of its divisors is an integer number (116628498).

Almost surely, 2^897656371 is an apocalyptic number.

897656371 is a deficient number, since it is larger than the sum of its proper divisors (35371613).

897656371 is a wasteful number, since it uses less digits than its factorization.

897656371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292421.

The product of its digits is 1905120, while the sum is 52.

The square root of 897656371 is about 29960.9140548148. The cubic root of 897656371 is about 964.6506009546.

The spelling of 897656371 in words is "eight hundred ninety-seven million, six hundred fifty-six thousand, three hundred seventy-one".