655880832 has 96 divisors (see below), whose sum is σ = 1902650880. Its totient is φ = 216857088.

The previous prime is 655880767. The next prime is 655880839. The reversal of 655880832 is 238088556.

It is a happy number.

655880832 is a `hidden beast` number, since 65 + 588 + 0 + 8 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (655880839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144063 + ... + 148545.

It is an arithmetic number, because the mean of its divisors is an integer number (19819280).

Almost surely, 2^655880832 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 655880832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951325440).

655880832 is an abundant number, since it is smaller than the sum of its proper divisors (1246770048).

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

655880832 is a wasteful number, since it uses less digits than its factorization.

655880832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630 (or 4615 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 655880832 is about 25610.1704797137. The cubic root of 655880832 is about 868.8436798242.

The spelling of 655880832 in words is "six hundred fifty-five million, eight hundred eighty thousand, eight hundred thirty-two".