994786560 has 108 divisors (see below), whose sum is σ = 3441897732. Its totient is φ = 265273344.

The previous prime is 994786523. The next prime is 994786561. The reversal of 994786560 is 65687499.

994786560 is a `hidden beast` number, since 9 + 9 + 4 + 78 + 6 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 699496704 + 295289856 = 26448^2 + 17184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 994786497 and 994786506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994786561) 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, 31657 + ... + 54696.

Almost surely, 2^994786560 is an apocalyptic number.

994786560 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

994786560 is an abundant number, since it is smaller than the sum of its proper divisors (2447111172).

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

994786560 is a wasteful number, since it uses less digits than its factorization.

994786560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86380 (or 86363 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 994786560 is about 31540.2371582713. The cubic root of 994786560 is about 998.2591578940.

The spelling of 994786560 in words is "nine hundred ninety-four million, seven hundred eighty-six thousand, five hundred sixty".