897609024 has 126 divisors (see below), whose sum is σ = 2786270526. Its totient is φ = 276157440.

The previous prime is 897608953. The next prime is 897609043. The reversal of 897609024 is 420906798.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 54287424 + 843321600 = 7368^2 + 29040^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 92734 + ... + 101954.

Almost surely, 2^897609024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897609024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393135263).

897609024 is an abundant number, since it is smaller than the sum of its proper divisors (1888661502).

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

897609024 is a wasteful number, since it uses less digits than its factorization.

897609024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265 (or 9239 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 897609024 is about 29960.1238982752. The cubic root of 897609024 is about 964.6336404500.

The spelling of 897609024 in words is "eight hundred ninety-seven million, six hundred nine thousand, twenty-four".