659489472 has 112 divisors (see below), whose sum is σ = 1963724800. Its totient is φ = 217002240.

The previous prime is 659489437. The next prime is 659489497. The reversal of 659489472 is 274984956.

659489472 is a `hidden beast` number, since 6 + 5 + 94 + 89 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134097 + ... + 138927.

Almost surely, 2^659489472 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 659489472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981862400).

659489472 is an abundant number, since it is smaller than the sum of its proper divisors (1304235328).

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

659489472 is a wasteful number, since it uses less digits than its factorization.

659489472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931 (or 4915 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 659489472 is about 25680.5270973942. The cubic root of 659489472 is about 870.4342184410.

The spelling of 659489472 in words is "six hundred fifty-nine million, four hundred eighty-nine thousand, four hundred seventy-two".