994658560 has 144 divisors (see below), whose sum is σ = 2811497472. Its totient is φ = 329932800.

The previous prime is 994658557. The next prime is 994658573. The reversal of 994658560 is 65856499.

It is a junction number, because it is equal to n+sod(n) for n = 994658498 and 994658507.

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 15 ways as a sum of consecutive naturals, for example, 275970 + ... + 279550.

It is an arithmetic number, because the mean of its divisors is an integer number (19524288).

Almost surely, 2^994658560 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 994658560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405748736).

994658560 is an abundant number, since it is smaller than the sum of its proper divisors (1816838912).

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

994658560 is a wasteful number, since it uses less digits than its factorization.

994658560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640 (or 3626 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The square root of 994658560 is about 31538.2079389429. The cubic root of 994658560 is about 998.2163404501.

The spelling of 994658560 in words is "nine hundred ninety-four million, six hundred fifty-eight thousand, five hundred sixty".