960557388 has 144 divisors (see below), whose sum is σ = 2770145280. Its totient is φ = 257572224.

The previous prime is 960557363. The next prime is 960557393. The reversal of 960557388 is 883755069.

It is a self number, because there is not a number n which added to its sum of digits gives 960557388.

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 47 ways as a sum of consecutive naturals, for example, 1418506 + ... + 1419182.

It is an arithmetic number, because the mean of its divisors is an integer number (19237120).

Almost surely, 2^960557388 is an apocalyptic number.

960557388 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 960557388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1385072640).

960557388 is an abundant number, since it is smaller than the sum of its proper divisors (1809587892).

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

960557388 is a wasteful number, since it uses less digits than its factorization.

960557388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 960557388 is about 30992.8602745858. The cubic root of 960557388 is about 986.6757146013.

The spelling of 960557388 in words is "nine hundred sixty million, five hundred fifty-seven thousand, three hundred eighty-eight".