897986560 has 104 divisors (see below), whose sum is σ = 2176184880. Its totient is φ = 355663872.

The previous prime is 897986533. The next prime is 897986599. The reversal of 897986560 is 65689798.

It is a junction number, because it is equal to n+sod(n) for n = 897986495 and 897986504.

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, 3338106 + ... + 3338374.

Almost surely, 2^897986560 is an apocalyptic number.

897986560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897986560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088092440).

897986560 is an abundant number, since it is smaller than the sum of its proper divisors (1278198320).

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

897986560 is a wasteful number, since it uses less digits than its factorization.

897986560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The square root of 897986560 is about 29966.4238773999. The cubic root of 897986560 is about 964.7688637189.

The spelling of 897986560 in words is "eight hundred ninety-seven million, nine hundred eighty-six thousand, five hundred sixty".