597868640 has 96 divisors (see below), whose sum is σ = 1469664000. Its totient is φ = 229562368.

The previous prime is 597868639. The next prime is 597868643. The reversal of 597868640 is 46868795.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (597868643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247921 + ... + 1248399.

It is an arithmetic number, because the mean of its divisors is an integer number (15309000).

Almost surely, 2^597868640 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 597868640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734832000).

597868640 is an abundant number, since it is smaller than the sum of its proper divisors (871795360).

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

597868640 is a wasteful number, since it uses less digits than its factorization.

597868640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 597868640 is about 24451.3525188281. The cubic root of 597868640 is about 842.4327811663.

The spelling of 597868640 in words is "five hundred ninety-seven million, eight hundred sixty-eight thousand, six hundred forty".