897108240 has 80 divisors (see below), whose sum is σ = 3178332288. Its totient is φ = 205052928.

The previous prime is 897108227. The next prime is 897108293. The reversal of 897108240 is 42801798.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 265317 + ... + 268676.

Almost surely, 2^897108240 is an apocalyptic number.

897108240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

897108240 is an abundant number, since it is smaller than the sum of its proper divisors (2281224048).

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

897108240 is a wasteful number, since it uses less digits than its factorization.

897108240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534016 (or 534010 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 897108240 is about 29951.7652234388. The cubic root of 897108240 is about 964.4542145364.

The spelling of 897108240 in words is "eight hundred ninety-seven million, one hundred eight thousand, two hundred forty".