994543 has 8 divisors (see below), whose sum is σ = 1132416. Its totient is φ = 864600.

The previous prime is 994501. The next prime is 994549. The reversal of 994543 is 345499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 994543 - 2¹³ = 986351 is a prime.

It is a Duffinian number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 994499 and 994508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713 + ... + 2218.

It is an arithmetic number, because the mean of its divisors is an integer number (141552).

2⁹⁹⁴⁵⁴³ is an apocalyptic number.

994543 is a deficient number, since it is larger than the sum of its proper divisors (137873).

994543 is a wasteful number, since it uses less digits than its factorization.

994543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965.

The product of its digits is 19440, while the sum is 34.

The square root of 994543 is about 997.2677674527. The cubic root of 994543 is about 99.8177681171.

The spelling of 994543 in words is "nine hundred ninety-four thousand, five hundred forty-three".