994543560 has 192 divisors, whose sum is σ = 3390266880. Its totient is φ = 252564480.

The previous prime is 994543559. The next prime is 994543579. The reversal of 994543560 is 65345499.

994543560 is a `hidden beast` number, since 9 + 9 + 45 + 43 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 633897 + ... + 635463.

It is an arithmetic number, because the mean of its divisors is an integer number (17657640).

Almost surely, 2^994543560 is an apocalyptic number.

994543560 is a gapful number since it is divisible by the number (90) 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 994543560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695133440).

994543560 is an abundant number, since it is smaller than the sum of its proper divisors (2395723320).

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

994543560 is a wasteful number, since it uses less digits than its factorization.

994543560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 994543560 is about 31536.3847008499. The cubic root of 994543560 is about 998.1778685201.

The spelling of 994543560 in words is "nine hundred ninety-four million, five hundred forty-three thousand, five hundred sixty".